Complex Numbers

Practice Questions

Complex Analysis › Complex Numbers

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1

What is the magnitude of the following complex number?

2

Evaluate:

$\left| 6 - 3 i \right|$

3

Evaluate:

$\left| ( 8 + 5 i ) ( -10 + 3 i ) \right|$

4

What is the magnitude of the following complex number?

5

Evaluate:

$\left| 9 - 9 i \right|$

6

What is the magnitude of the following complex number?

7

Evaluate $(\sqrt{3} - i)^6$

8

Evaluate: $\left| 1 - 3 i \right|$

9

What is the argument of the following complex number?

10

What is the value of $\vert e^{i\theta}\vert$ , where $-\pi<\theta\leq\pi$ is in radians?

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