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} = $

  • A
    $(1 + x)\cos x + (1 - x)\sin x - \frac{1}{4x\sqrt{x}}$
  • B
    $(1 - x)\cos x + (1 + x)\sin x + \frac{1}{4x\sqrt{x}}$
  • C
    $(1 + x)\cos x + (1 + x)\sin x - \frac{1}{4x\sqrt{x}}$
  • D
    આમાંથી કોઈ નહીં

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

ધારો કે $f:R \to R$ એવું છે કે $f(1) = 3$ અને $f'(1) = 6$. તો $\lim_{x \to 0} \left\{ \frac{f(1 + x)}{f(1)} \right\}^{\frac{1}{x}}$ ની કિંમત શોધો.

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