# Ch05. Complex Numbers & Quadratic Equations

In this self study course, you will learn Need for complex numbers, especially {\displaystyle \sqrt{-1} } , to be motivated by inability to solve some of the quardratic equations. Algebraic properties of complex numbers.Argand plane and polar representation of complex numbers. solution of quadratic equations (with real coefficients) in the complex number system.Square root of a complex number. This course also has solutions of NCERT Exercise questions.

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