જો $\int_1^4 x \sqrt{x^2-1} \, dx = \alpha(k)^\beta$ હોય,તો $\alpha \beta$ ની કિંમત શોધો.

  • A
    $\frac{9}{2}$
  • B
    $\frac{1}{2}$
  • C
    $\frac{1}{3}$
  • D
    $\frac{3}{2}$

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જો $\int \frac{\cos x-\sin x}{\sqrt{8-\sin 2 x}} \,d x=\operatorname{a} \sin^{-1}\left(\frac{\sin x+\cos x}{b}\right)+c$,જ્યાં $c$ એ સંકલનનો અચળાંક છે,તો ક્રમયુક્ત જોડ $(a, b)$ બરાબર શું થાય?

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