Question

what is number ? difference between real no. and complex no.​

Answer 1

Answer:

• Numbers are figures used to define the quantity of something or to simple count. the idea of numbers occured to mainly the romans and the indians at first but the idea spread.
• Real numbers are a collection a numbers which include rational numbers ( those numbers that can be expressed in the form p/q where p and q are non zero integers) and irrational numbers (those numbers which have non terminating, non recurring decimals)
• Complex numbers are a collection of numbers which consist of a real part and an imaginary part.
• E.g.: In a+ib, a is the real part while ib is the imaginary part which simply means $a+\sqrt{-b$.
• Hope that helps!

Answer 2

Hyy here is your answer-

Number is an arithmetical value.

Real number-A real number is any positive or negative number. This includes all integers and all rational and irrational numbers

Complex number-A complex number is a number that can be expressed in the form a + bi, where a and bare real numbers, and i is a solution of the equation x2 = −1.

Hope it may help you.