જો $x=\sec \theta-\cos \theta$,$y=\sec ^{10} \theta-\cos ^{10} \theta$ અને $(x^2+4)(\frac{dy}{dx})^2=k(y^2+4)$ હોય,તો $k=$

  • A
    $\frac{1}{100}$
  • B
    $1$
  • C
    $10$
  • D
    $100$

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જો $x=a(\cos t+t \sin t)$ અને $y=a(\sin t-t \cos t)$ હોય,તો $\frac{d^{2} y}{d x^{2}}$ શોધો.

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જો $x = \sec \theta - \cos \theta$ અને $y = \sec^n \theta - \cos^n \theta$ હોય,તો:

જો $x = at^2$ અને $y = 2at$ હોય,તો $\frac{dy}{dx} = $ . . . . . . .

જો $x = a \sin t - b \cos t$ અને $y = a \cos t + b \sin t$ હોય,તો $y^{3} \frac{d^{2} y}{d x^{2}} + x^{2} + y^{2} = $

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