यदि $y = x^x + x^{\frac{1}{x}}$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

  • A
    $x^x(1+\log x) + x^{\frac{1}{x}} \frac{1}{x^2}(1-\log x)$
  • B
    $(x^x + x^{\frac{1}{x}})[1+\log x + \frac{1}{x^2}(1-\log x)]$
  • C
    $(x^x + x^{\frac{1}{x}})[(1+\log x) - \frac{1}{x^2}(1-\log x)]$
  • D
    $x^x(1+\log x) - x^{\frac{1}{x}} \frac{1}{x^2}(1-\log x)$

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यदि $y = \left(\frac{x^{2}}{x+1}\right)^{x}$ और $\frac{dy}{dx} = y \left[g(x) + \log \left(\frac{x^{2}}{x+1}\right)\right]$ है,तो $g(x) =$

यदि $y = \sqrt {\frac{(x - a)(x - b)}{(x - c)(x - d)}} $ है,तो $\frac{dy}{dx} = $

यदि $y=(1+x)(1+x^2)(1+x^4) \dots (1+x^{2n})$ है,तो $x=0$ पर $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

कथन $(A)$: $\frac{d}{d x}\left(\frac{x^2 \sin x}{\log x}\right)=\frac{x^2 \sin x}{\log x} \left(\cot x+\frac{2}{x}-\frac{1}{x \log x}\right)$
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