જો $y = \tan^{-1}\left(\frac{1}{x^2 + x + 1}\right) + \tan^{-1}\left(\frac{1}{x^2 + 3x + 3}\right) + \tan^{-1}\left(\frac{1}{x^2 + 5x + 7}\right) + \dots$ $n$ પદો સુધી હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

  • A
    $\frac{1}{1 + (x + n)^2} + \frac{1}{1 + x^2}$
  • B
    $\frac{1}{1 + (x + n)^2} - \frac{1}{1 + x^2}$
  • C
    $-\frac{1}{1 + x^2}$
  • D
    $0$

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જો $y = \tan^{-1} \left[ \frac{5 \cos x - 12 \sin x}{12 \cos x + 5 \sin x} \right]$ હોય, તો $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $y = \sec(\tan^{-1} x)$ હોય,તો $x = 1$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

ધારો કે $f(\theta) = \sin \left(\tan^{-1} \left(\frac{\sin \theta}{\sqrt{\cos 2\theta}} \right) \right)$,જ્યાં $-\frac{\pi}{4} < \theta < \frac{\pi}{4}$ છે. તો $\frac{d}{d(\tan \theta)}(f(\theta))$ નું મૂલ્ય શોધો.

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