જો $u=\sin \left(\frac{x}{y}\right)$,$x=e^t$,અને $y=t^2$ હોય,તો $t^6\left(\frac{d u}{d t}\right)^2 \div \left(e^{2 t}(t-2)^2\right)=$

  • A
    $2 u$
  • B
    $u^2$
  • C
    $1-u^2$
  • D
    $\cos u$

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વક્ર $x=a \cos ^{3} \theta, y=a \sin ^{3} \theta$ માટે $\theta=\frac{\pi}{4}$ આગળ અભિલંબનો ઢાળ શોધો.

જો $\cos (f(x))=\frac{1-x^2}{1+x^2}$ અને $\tan (g(x))=\frac{3 x-x^3}{1-3 x^2}$ હોય,તો $\frac{d f}{d g}=$

$a > 0, t \in \left( 0, \frac{\pi}{2} \right)$ માટે,ધારો કે $x = \sqrt{a^{\sin^{-1} t}}$ અને $y = \sqrt{a^{\cos^{-1} t}}$. તો,$1 + \left( \frac{dy}{dx} \right)^2$ ની કિંમત શોધો.

જો $x=a\left\{\cos \theta+\log \tan \left(\frac{\theta}{2}\right)\right\}$ અને $y=a \sin \theta$ હોય, તો $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $x = 4t^3 + 3$, $y = 3t^4 + 4$ અને $\frac{d^2x}{dy^2} = (\frac{dx}{dy})^n$ અચળ હોય, તો $n$ ની કિંમત શોધો

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