Let z be a complex number such that |z| = 4 and arg z={5\pi}/6.What is z equal to where i=\sqrt{-1} ? [NDA II 2014]

Correct Answer is : −2√3+2i

UPSC NDA II 2014 Mathematics Paper

Question : 7 of 120

Marks: +1, -0

Let z be a complex number such that |z| = 4 and arg z=

5π

.What is z equal to where i=√−1 ?

[NDA II 2014]

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