Mathematics - Complex Number Question with Solution | TestHub

MathematicsComplex NumberGeneral(Modulus,Argument,Conjugate)Easy2 min

MathematicsEasysingle choice

The complex numbers sin x + i cos 2 x & cos x - i sin 2 x are conjugate to each other, for x=

Answer:

Solution:

$z_{1} = \overline{z}_{1}$ $sin x + i cos 2 x = cos x + i sin 2 x \Rightarrow sin x = cos x$ and $sin 2 x = cos 2 x$ which is not possible ]

Stream:JEESubject:MathematicsTopic:Complex NumberSubtopic:General(Modulus,Argument,Conjugate)

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