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On the previous page, I have shared the information about Whole Number and Integer Number, so read those posts also.
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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
Ans. Imaginary numbers are numbers that are not real.
Ans. Zero is considered both a real number and an imaginary number.
Ans. For example, 5i is an imaginary number, and its square is −25. By definition, zero is considered to be both real and imaginary.
Ans. Negative 7 is a rational number. By definition, a rational number is one that results when one integer is divided by another.
Ans. Integers. The letter (Z) is the symbol used to represent integers.
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