Complex numbers: algebraic form

A number whose square is -1: the algebraic form a + ib, computing with the conjugate and the modulus, the representation in the plane, and solving quadratics with a negative discriminant.

Intermediate 60 min 33 viewsmathématiquesnombres complexessupérieur

Start the course — Why invent the number i

01
A number whose square is -1
02
The complex plane and equations

Complex numbers: algebraic form

Table of contents

A number whose square is -1

The complex plane and equations