Imaginary Numbers & Complex Functions

Practice Questions

GRE Subject Test: Math › Imaginary Numbers & Complex Functions

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1

Simplify

$\frac{5+2i}{-3-2i}$

2

$Simplify: \sqrt{-72}$

3

$\sqrt{-7}\cdot \sqrt{-4}$

4

What is the value: $i^{24}(i^{3}+i^{-2})$ ?

5

What is the value: $i^{24}(i^{3}+i^{-2})$ ?

6

$Simplify: \sqrt{-72}$

7

$Simplify: \sqrt{-98}$

8

Expand and Simplify:

9

Expand and Simplify:

10

$\sqrt{-7}\cdot \sqrt{-4}$

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