Tuesday, November 4, 2014

Practicing Entrance Exams: Online/Offline

Chapter 5 : Complex Numbers

A complex number is a number that can be expressed in the form a + ib, where a and b are real numbers and i is the imaginary unit, that satisfies the equation x2 = −1, that is, i2 = −1. In this expression, a is the real part and b is the imaginary part of the complex number.