यदि $(a+\sqrt{2} b \cos x)(a-\sqrt{2} b \cos y)=a^2-b^2$ जहाँ $a>b>0$,तो $\left(\frac{\pi}{4}, \frac{\pi}{4}\right)$ पर,$\frac{dy}{dx}=$

  • A
    $\frac{a+b}{a-b}$
  • B
    $\frac{a-b}{a+b}$
  • C
    $\frac{a-2 b}{a+2 b}$
  • D
    $\frac{2 a+b}{2 a-b}$

Explore More

Similar Questions

यदि $3 \sin xy + 4 \cos xy = 5$ है,तो $\frac{dy}{dx}$ का मान . . . . . . होगा।

यदि $\tan y = \cot \left(\frac{\pi}{4} - x\right)$ है,तो $\frac{dy}{dx} = $

यदि $2 x^2-3 x y+y^2+x+2 y-8=0$ है,तो $\frac{d y}{d x}$ का मान क्या होगा?

यदि $\sin y + e^{-x \cos y} = e$ है,तो $(1, \pi)$ पर $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

यदि $\cos ^{-1}\left(\frac{y}{b}\right)=n \log \left(\frac{x}{n}\right)$ है,तो

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