$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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જો $u(n) = \int_0^{\frac{\pi}{2}} (1 + \sin t)^n \sin 2t \, dt$,જ્યાં $n \in N$,તો $u(4) = $

$\int_{-2}^{2} |[x]| \, dx = $

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ધારો કે $f(0)=1, f(0.5)=\frac{5}{4}, f(1)=2, f(1.5)=\frac{13}{4}$ અને $f(2)=5$ છે. સિમ્પસનના નિયમનો ઉપયોગ કરીને, $\int_0^2 f(x) dx$ ની કિંમત શોધો.

જો $f(x) = A\sin \left( \frac{\pi x}{2} \right) + B$,$f'\left( \frac{1}{2} \right) = \sqrt{2}$ અને $\int_0^1 f(x) \, dx = \frac{2A}{\pi}$ હોય,તો અચળાંકો $A$ અને $B$ અનુક્રમે શું થાય?

$\int_0^{\frac{\pi}{2}} \frac{d x}{\cos x-\sqrt{3} \sin x}=$

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