જો $0 < x < \frac{\pi}{2}$ માટે $f(x) = \frac{1+\sec x}{2(\sec x-1)}$ અને $f^{\prime}(x) = f(x) \cdot g(x)$ હોય, તો $g(x) =$

  • A
    $\operatorname{cosec} x$
  • B
    $-\operatorname{cosec} x$
  • C
    $2 \operatorname{cosec} x$
  • D
    $-2 \operatorname{cosec} x$

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$x$ ની સાપેક્ષે $\sin \left( \log \left( \frac{x + 3}{x} \right) \right)$ નું વિકલન છે:

જો $f(x) = \sqrt{x + 2 \sqrt{2x - 4}} + \sqrt{x - 2 \sqrt{2x - 4}}$ હોય,તો $10 \times f^{\prime}(102)$ ની કિંમત શોધો.

નીચેનામાંથી કયું ખોટું છે?

$\frac{d}{dx} \left[ \left( \frac{\tan^2 2x - \tan^2 x}{1 - \tan^2 2x \tan^2 x} \right) \cot 3x \right] =$

Difficult
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જો $f: R \rightarrow R$ એ $f(x) = \begin{cases} \frac{x-2}{x^2-3x+2} & \text{જો } x \in R - \{1, 2\} \\ 2 & \text{જો } x = 1 \\ 1 & \text{જો } x = 2 \end{cases}$ દ્વારા વ્યાખ્યાયિત હોય,તો $\lim_{x \rightarrow 2} \frac{f(x)-f(2)}{x-2}$ શોધો.

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