$\alpha$ का वह वास्तविक मान जिसके लिए $\frac{1-i \sin \alpha}{1+2 i \sin \alpha}$ पूर्णतः वास्तविक है,है

  • A
    $(n+1) \frac{\pi}{2}, n \in N$
  • B
    $(2 n+1) \frac{\pi}{2}, n \in N$
  • C
    $n \pi, n \in N$
  • D
    $(2 n-1) \frac{\pi}{2}, n \in N$

Explore More

Similar Questions

$i^{n} + i^{n+1} + i^{n+2} + i^{n+3}$ का सरलीकृत रूप क्या है?

यदि $i=\sqrt{-1}$ है,तो $(1+i)^{10}+(1-i)^{10}=$

${\left( \frac{2i}{1+i} \right)}^2 = $

मान ज्ञात कीजिए: $\left[i^{18}+\left(\frac{1}{i}\right)^{25}\right]^{3}$.

$i^{18}-3i^7+i^2(1+i^4)(i)^{22}$ को सरल करने पर,हमें प्राप्त होता है

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo