Complex Numbers and Quadratic Equations Class 11 Notes – Chapter 5
A complex number is a number that can be expressed in the form p + iq, where p and q are real numbers, and i is a solution of the equation x2=−1. −1−−−√=i or i2=−1. Examples of complex numbers: 8 – 2i, 2 +31i, 2+45i, etc. Complex numbers are denoted by ‘z’. Please refer Complex Numbers and Quadratic Equations Class 11 Notes for more revision notes.
CBSE Revision Notes 