જો $x=f(t)$ અને $y=g(t)$ હોય,તો $\frac{d^{2} y}{d x^{2}}$ નું મૂલ્ય શું થાય?

  • A
    $\frac{f^{\prime}(t) g^{\prime \prime}(t) + g^{\prime}(t) f^{\prime \prime}(t)}{\{f^{\prime}(t)\}^{3}}$
  • B
    $\frac{f^{\prime}(t) g^{\prime \prime}(t) - g^{\prime}(t) f^{\prime \prime}(t)}{\{f^{\prime}(t)\}^{2}}$
  • C
    $\frac{g^{\prime}(t) f^{\prime \prime}(t) - g^{\prime \prime}(t) f^{\prime}(t)}{\{f^{\prime}(t)\}^{2}}$
  • D
    $\frac{f^{\prime}(t) g^{\prime \prime}(t) - g^{\prime}(t) f^{\prime \prime}(t)}{\{f^{\prime}(t)\}^{3}}$

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જો $x=3\left[\sin t-\log \left(\cot \frac{t}{2}\right)\right]$ અને $y=6\left[\cos t+\log \left(\tan \frac{t}{2}\right)\right]$ હોય,તો $\frac{dy}{dx}=$

જો $x=\log _e\left(\frac{\cos \frac{y}{2}-\sin \frac{y}{2}}{\cos \frac{y}{2}+\sin \frac{y}{2}}\right)$ અને $\tan \frac{y}{2}=\sqrt{\frac{1-t}{1+t}}$ હોય,તો $\left(\frac{dy}{dx}\right)_{t=\frac{1}{2}}$ નું મૂલ્ય શોધો.

$x=5$ આગળ $\frac{x}{x-1}$ ની સાપેક્ષે $\sqrt{x^2+16}$ નો ફેરફારનો દર શોધો.

જો $x = a(t + \sin t)$ અને $y = a(1 - \cos t)$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

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