4-1.Complex numbers
medium

माना $A=\left\{\theta \in(0,2 \pi): \frac{1+2 i \sin \theta}{1-i \sin \theta}\right.$ मात्र काल्पनिक $\}$ तो $\mathrm{A}$ में अवयवों का योग है

A

$\pi$

B

$2 \pi$

C

$4 \pi$

D

$3 \pi$

(JEE MAIN-2023)

Solution

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Standard 11
Mathematics

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