Complex Numbers for class 11

Complex number

 We are familiar with Real Numbers. In this topic, we get a quick revision of the complex number. Complex numbers are the combination of real number and imaginary numbers.

Content/Syllabus:

Definition, Iota, Imaginary numbers, Algebra of complex numbers, Equality of Complex Numbers, Conjugate, Reciprocal, Modulus, Argument, and multiplicative inverse of a Complex numbers, Argand plane, representation of complex number, euler form and Polar form of a Complex number, Cube root of Unity, nth root of unity, Demoivers Theorem

Syllabus of class XI Maths CBSE and other state board : 

Need for complex numbers, especially √−1, to be motivated by inability to solve some of the quadratic equations. Algebraic properties of complex numbers. Argand plane