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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यदि $g(x) = (x^2 + 2x + 1) \cdot f(x)$ इस प्रकार है कि $f(0) = 5$ और $\lim_{x \to 0} \frac{f(x) - 5}{x} = 4$, तो $g'(0) = $

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यदि $f(x) = e^x g(x)$,$g(0) = 2$,और $g'(0) = 1$ है,तो $f'(0)$ का मान ज्ञात कीजिए।

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