Question

Definition of complex number

Answer 1

All the numbers that satisfies the equation i sqaure = -1 and can be expressed in the form a+bi , where a and b are real numbers and i is the imaginary number.Hope it helps and pls mark as the best answer. :-)

Answer 2

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit, that satisfies the equation i2 = −1.