જો $a>0$ અને $f(x)=\left(\frac{a+x}{1+x}\right)^{a+1+2x}$ હોય,તો $f^{\prime}(0)=$

  • A
    $a^{a+1}$
  • B
    $a^{a+1}\left\{\frac{1-a^2}{a}+2 \log a\right\}$
  • C
    $2 \log a$
  • D
    $a^{a+1}\left\{\frac{(1+a)^2}{a-2 \log a}\right\}$

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જો $y = x^{\ln x}$ હોય,તો $dy/dx$ શું થાય?

જો $f(x) = \frac{e^{-x} \sin x}{\log_e x}$ અને $f'(x) = f(x) \cdot g(x)$ હોય, તો $g'(e) =$

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