If you are going to read information about Unreal Numbers on this page, then definitely read the post completely.

On the previous page, I have shared the information about **Whole Number** and **Integer Number**, so read those posts also.

Let us read and understand all the information on Unreal Numbers on this page.

## What are Unreal Numbers

If the **Square** of a **Number** is a negative number, then such numbers are called Unreal Numbers.

In other words – numbers made up of **Real Numbers** and **Unreal Numbers** are called unreal numbers.

**Example :-** √-3, √-5, √-3/4, √7/-13, √11/-17

**Real Numbers are Written as :-** √-3, √-5, √-3/4, √7/-13, √11/-17.

### Complex Number

An imaginary number or an imaginary number is a complex number whose real part is zero.

Imaginary Numbers or imaginary numbers are written as multiplication of unit i. which is defined by its Property i = √-1. The square of an imaginary number is zero or negative.

**For example :-** 3 + √-5, 5 + √-7, 9 + √-13

3 + √-5, 5 + √-7, 9 + √-13 are called complex numbers.

**Example :-** 4i, 5i, 7i

**→** 4i is an imaginary number whose square is -16.

Adding an imaginary number 4i to a real number 5 gives the complex number 5 + 4i.

**→** 5i is an imaginary number whose square is -25.

Adding an imaginary number 5i to a real number 4 gives the complex number 4 + 5i.

**→** 7i is an imaginary number whose square is -49.

Adding the imaginary number 7i to a real number 11 gives the complex number 11 + 7i.

## FAQ

**Q.1 What is an unreal number?**

**Ans.** Imaginary numbers are numbers that are not real.

**Q.2 Is 0 an unreal number?**

**Ans.** Zero is considered both a real number and an imaginary number.

**Q.3 What are unreal numbers examples?**

**Ans.** For example, 5i is an imaginary number, and its square is −25. By definition, zero is considered to be both real and imaginary.

**Q.4 Is negative 7 an unreal number?**

**Ans.** Negative 7 is a rational number. By definition, a rational number is one that results when one integer is divided by another.

**Q.5 What is Z symbol in math?**

**Ans.** Integers. The letter (Z) is the symbol used to represent integers.

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