નિશ્ચિત સંકલન $\int_{0}^{1} \frac{d x}{1+x^{2}}$ ની કિંમત શોધો.

  • A
    $\frac{\pi}{4}$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{\pi}{6}$
  • D
    $\pi$

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જો $\int_{0}^{a} \frac{dx}{4 + x^2} = \frac{\pi}{8}$ હોય,તો $a$ ની કિંમત શોધો.

જો $\int\limits_0^{f(x)} {{t^2}\,dt} = x \cos(\pi x)$ હોય,તો $f'(9)$ શોધો.

$\int_0^{\pi / 2} \frac{\cos x \sin x}{1+\sin x} d x$ ની કિંમત શોધો.

નિશ્ચિત સંકલન $\int_{0}^{9} [\sqrt{x} + 2] \, dx$ ની કિંમત શોધો,જ્યાં $[\cdot]$ એ મહત્તમ પૂર્ણાંક વિધેય $(G.I.F.)$ દર્શાવે છે.

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$\int_0^{2\pi} (\sin x + \cos x) \, dx = $

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