જો $x = a \cos^4 \theta$ અને $y = a \sin^4 \theta$ હોય,તો $\theta = \frac{3\pi}{4}$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

  • A
    $-1$
  • B
    $1$
  • C
    $-a^2$
  • D
    $a^2$

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જો $x=t-\sin t, y=1-\cos t$ અને $t=K, K>0$ પર $\frac{d^2 y}{d x^2}=-1$ હોય, તો $\lim_{t \rightarrow K} \frac{y}{x}=$

જો $x=a \cos ^3 \theta$ અને $y=a \sin ^3 \theta$ હોય,તો $\theta=\frac{\pi}{4}$ આગળ $\frac{d^2 y}{d x^2}$ ની કિંમત શોધો.

જો $x = ct$ અને $y = \frac{c}{t}$ હોય,તો $t = 2$ આગળ $\frac{dy}{dt}$ શોધો.

જો $x = a \cos^3 \theta$ અને $y = a \sin^3 \theta$ હોય,તો $\sqrt{1 + \left( \frac{dy}{dx} \right)^2} = $

જો $x = a(\cos t + \log \tan \frac{t}{2})$ અને $y = a \sin t$ હોય,તો $\frac{dy}{dx} = $

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