$x=\cos \theta, y=\sin 5 \theta \Rightarrow (1-x^2) \frac{d^2 y}{d x^2}-x \frac{d y}{d x}$ ની કિંમત શોધો. ($y$ માં)

  • A
    $-5$
  • B
    $5$
  • C
    $25$
  • D
    $-25$

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જો $x=e^{t}(\sin t-\cos t)$ અને $y=e^{t}(\sin t+\cos t)$ હોય,તો $t=\frac{\pi}{3}$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

વક્ર $x=1-a \sin \theta, y=b \cos^{2} \theta$ માટે $\theta=\frac{\pi}{2}$ આગળ અભિલંબનો ઢાળ શોધો.

જો $\tan x = \frac{2t}{1-t^2}$ અને $\sin y = \frac{2t}{1+t^2}$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

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