ધારો કે $f(x) = \sum_{k=1}^{10} kx^k$,$x \in R$. જો $2f(2) + f'(2) = 119(2)^n + 1$ હોય,તો $n$ ની કિંમત $..........$ છે.

  • A
    $9$
  • B
    $10$
  • C
    $8$
  • D
    $7$

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જો $f(x) = \frac{x}{1+x}$ અને $g(x) = f(f(x))$ હોય,તો $g^{\prime}(x)$ ની કિંમત શું થાય?

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

જો $f(x) = \frac{x}{1+|x|}$,$x \in \mathbb{R}$ માટે,તો $f^{\prime}(0)$ ની કિંમત શું થાય?

કિંમત શોધો: $\frac{d}{d x}\left(3 \cos \left(\frac{\pi}{6}+x^{\circ}\right)-4 \cos ^3\left(\frac{\pi}{6}+x^{\circ}\right)\right) = $ . . . . . .

જો $5 f(x) + 3 f\left(\frac{1}{x}\right) = x + 2$ અને $y = x f(x)$ હોય,તો $x = 1$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

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