$a > 1, \; \int_{1}^{a} [x] f'(x) dx = $

  • A
    $a f(a) - \{f(1) + f(2) + \dots + f([a])\}$
  • B
    $[a] f(a) - \{f(1) + f(2) + \dots + f([a])\}$
  • C
    $[a] f([a]) - \{f(1) + f(2) + \dots + f(a)\}$
  • D
    $a f([a]) - \{f(1) + f(2) + \dots + f(a)\}$

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સંકલન $\int_{-1}^{\frac{3}{2}} |\pi^2 x \sin(\pi x)| \, dx$ ની કિંમત શોધો:

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$\int_0^2 \frac{x^3}{(x^2 + 1)^{3/2}} \, dx = $

$\int\limits_{\frac{\pi }{6}}^{\frac{5\pi }{6}} {\left( {\frac{1}{2}{{(3\sin \theta )}^2} - \frac{1}{2}{{(1 + \sin \theta )}^2}} \right)\,d\theta } $

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