Complex Number System

• complex numbers
• real part of a complex number
• imaginary part of a complex number
• imaginary numbers
• pure imaginary number

• real part of a complex number
• imaginary part of a complex number
• imaginary numbers
• pure imaginary number
• complex numbers

The set of ​ (a)   is the set of all numbers written in the

form a + bi, where a and b are real numbers and b is not equal to 0.​

• imaginary numbers
• complex numbers
• real part of a complex number
• imaginary part of a complex number
• pure imaginary number

A ​ (a)   is a number of the form a + bi, where a is equal to 0 and b is not equal to 0.

• pure imaginary number
• complex numbers
• real part of a complex number
• imaginary part of a complex number
• imaginary numbers

Which set does this symbol represent?

(a)  

Which set does this symbol represent?

(a)  

Which set does this symbol represent?

(a)  

Which set does this symbol represent?

(a)  

Which set does this symbol represent?

(a)  

Which set does this symbol represent?

(a)