यदि $y = x^n \log x + x(\log x)^n$ है,तो $\frac{dy}{dx} = $

  • A
    $x^{n-1}(1 + n \log x) + (\log x)^{n-1}(n + \log x)$
  • B
    $x^{n-2}(1 + n \log x) + (\log x)^{n-1}(n + \log x)$
  • C
    $x^{n-1}(1 + n \log x) + (\log x)^{n-1}(n - \log x)$
  • D
    इनमें से कोई नहीं

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मान लीजिए $3f(x) - 2f(1/x) = x,$ तो $f'(2)$ का मान ज्ञात कीजिए।

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मान लीजिए कि एक अवकलनीय फलन $h$ के लिए,$h(0)=0$,$h(1)=1$ और $h^{\prime}(0)=h^{\prime}(1)=2$ है। यदि $g(x)=h(e^{x}) e^{h(x)}$ है,तो $g^{\prime}(0)$ का मान ज्ञात कीजिए:

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$\frac{d}{dx} \left( \sqrt{3} \sin \left(2x + \frac{\pi}{3} \right) + \cos \left(2x + \frac{\pi}{3} \right) \right) = $ . . . . . .

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