જો $x=a(\theta+\sin \theta)$ અને $y=a(1-\cos \theta)$ હોય,તો $\left(\frac{d^2 y}{dx^2}\right)_{\theta=\pi / 2}=$

  • A
    $\frac{1}{2a}$
  • B
    $\frac{1}{a}$
  • C
    $a$
  • D
    $2a$

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જો $x=a t^2$ અને $y=2 a t$ હોય,તો $t=\frac{1}{2}$ આગળ $\frac{d^2 y}{d x^2}$ ની કિંમત શોધો.

જો $x = \sec \theta - \cos \theta$ અને $y = \sec^n \theta - \cos^n \theta$ હોય,તો ${\left( {\frac{{dy}}{{dx}}} \right)^2}$ ની કિંમત શું થાય?

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

જો $x=2 \cos t-\cos 2 t$ અને $y=2 \sin t-\sin 2 t$ હોય,તો $\left.\frac{d^{2} y}{d x^{2}}\right|_{t=\pi / 2}$ ની કિંમત શોધો. ($/2$ માં)

જો $x=5(1-\sin t)$ અને $y=5(t+\cos t)$ હોય, તો $\frac{dx}{dy}=$

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