CBSE Class 11 Maths Notes: Number Systems – Real Numbers and Complex Number

Real Numbers

Complex Numbers

A number of the form x + iy, where x and y are real numbers and i = square root of -1, is called a complex number. It is usually denoted by z. i.e. z = x + iy, x is called the real part and y the imaginary part of z. C denotes the set of complex number.

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