EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 6 - Complex Numbers>AMU-AT (B.Tech.) 2019>Q 4

MEDIUM

AMU-AT (B.Tech.)

IMPORTANT

Earn 100

If $n$ is a positive integer, then ${(1 + i)}^{n} + (1 - i)^{n}$ is equal to

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Important Questions on Complex Numbers

MEDIUM

AMU-AT (B.Tech.)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 6 - Complex Numbers>AMU-AT (B.Tech.) 2018>Q 5

The amplitude of the complex number

1 + \sin α - i \cos α

is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 6 - Complex Numbers>AMU-AT (B.Tech.) 2018>Q 6

The points

z_{i} = x + i y

and

z_{2} = \frac{1}{- x + i y}

in the complex plane lie on