વિકલન શોધો: $\frac{d}{dx} \left[ \log \left( x + \frac{1}{x} \right) \right] = $

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

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વિધેય $\frac{x^{2} \cos \left(\frac{\pi}{4}\right)}{\sin x}$ નું વિકલિત શોધો.

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જો $y = \tan^{-1} \left[ \frac{4 \sin 2x}{\cos 2x - 6 \sin^2 x} \right]$ હોય,તો $x = 0$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $y = \log \tan \left(\frac{x}{2}\right) + \sin^{-1}(\cos x)$ હોય,તો $\frac{dy}{dx} = $

જો $y=(1+x)(1+x^2)(1+x^4) \dots (1+x^{2^n})$ હોય, તો $\left(\frac{dy}{dx}\right)_{x=0}$ ની કિંમત શોધો.

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