Divergence Theorem - Calculus 3

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Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Derivative of an exponential:

Trigonometric derivative:

Note that u may represent large functions, and not just individual variables!

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Derivative of a natural log:

Note that u may represent large functions, and not just individual variables!

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Trigonometric derivative:

Note that u may represent large functions, and not just individual variables!

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Derivative of an exponential:

Note that u may represent large functions, and not just individual variables!

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Trigonometric derivative:

Note that u may represent large functions, and not just individual variables!

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Derivative of a natural log:

Note that u may represent large functions, and not just individual variables!

Compare your answer with the correct one above

Question

Find the divergence of the function at

Answer

Divergence can be viewed as a measure of the magnitude of a vector field's source or sink at a given point.

To visualize this, picture an open drain in a tub full of water; this drain may represent a 'sink,' and all of the velocities at each specific point in the tub represent the vector field. Close to the drain, the velocity will be greater than a spot farther away from the drain.

Vectorfield

What divergence can calculate is what this velocity is at a given point. Again, the magnitude of the vector field.

We're given the function

at

What we will do is take the derivative of each vector element with respect to its variable

Then sum the results together:

Compare your answer with the correct one above

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