यदि रैखिक फलन $f(x)$ और $g(x)$ समीकरण $\int[(3x-1) \cos x + (1-2x) \sin x] dx = f(x) \cos x + g(x) \sin x + C$ को संतुष्ट करते हैं,तो:

  • A
    $f(x) = 3x-5$
  • B
    $g(x) = 3+x$
  • C
    $f(x) = 3(x-1)$
  • D
    $g(x) = 3(x-1)$

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$\int (1 - x^2) \log x \, dx = $

यदि ${I_n} = \int {{(\log x)}^n} \, dx$ है,तो ${I_n} + n{I_{n - 1}} = $

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$\int x^3(\log x)^2 \, dx = $

फलन का समाकलन कीजिए: $e^{2x} \sin x$

फलन का समाकलन कीजिए: $x \sin^{-1} x$

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