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

  • A
    $1$
  • B
    $-1$
  • C
    $0$
  • D
    $\infty$

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

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

જો $x = \sec \theta - \cos \theta$ અને $y = \sec^n \theta - \cos^n \theta$ હોય,તો $(x^2 + 4) \left(\frac{dy}{dx}\right)^2 =$

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

જો $x=3 \sqrt{2} \cos ^3 \theta$ અને $y=4 \tan ^2 \theta$ હોય,તો $\left(\frac{d y}{d x}\right)_{\theta=\frac{\pi}{4}} = $

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