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12.01 Complex numbers

Interactive practice questions

What type of number can be written in the form $a+bi$a+bi?

A whole number

A

A rational number

B

A complex number

C

A real number

D
Easy
< 1min

What is a pure imaginary number?

Easy
< 1min

Answer the following.

Easy
< 1min

Consider the complex number $-i\sqrt{10}$i10.

Easy
< 1min
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