JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy

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Analyzing +4 | -1

The complex numbers

\sin x + i\cos 2x

and

\cos x - i\sin 2x

are conjugate to each other for

View answer and explanation

Correct option: D

No value of

x

Option D (No value of x) is correct because there is no value of x that satisfies both sin(x) = cos(x) and cos(2x) = -sin(2x) simultaneously.

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