જો $\int_a^b x^3 dx = 0$ અને $\int_a^b x^2 dx = \frac{2}{3}$ હોય,તો $a$ અને $b$ અનુક્રમે શું થાય?

  • A
    $1, -1$
  • B
    $-1, -1$
  • C
    $1, 1$
  • D
    $-1, 1$

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$\int_0^{\frac{\pi}{2}} x^3 \sin x \, dx =$

$\int_{-\pi / 4}^{\pi / 3}\left|\tan \left(x-\frac{\pi}{6}\right)\right| d x=$

જો $\int_{\pi/6}^{\pi/4} (\cot (x - \frac{\pi}{3}) \cot (x + \frac{\pi}{3}) + 1) dx = a \log_e (\sqrt{3} - 1)$ હોય, તો $9a^2$ ની કિંમત . . . . . . . થાય.

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