જો $\int_0^{2a} x^2 \sqrt{2ax-x^2} dx = ka^4$ હોય, તો $k : \pi =$ શું થાય ($:8$ માં)?

  • A
    $1$
  • B
    $3$
  • C
    $5$
  • D
    $9$

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ધારો કે $f:(0, +\infty) \to \mathbb{R}$ અને $F(x) = \int_0^{x^2} f(t) dt$. જો $F(x) = x^2(1 + x)$ હોય,તો $f(4)$ ની કિંમત શોધો.

સંકલન $\int\limits_x^{x + 3} {t(5 - t)\,dt}$ નું મૂલ્ય મહત્તમ બનાવે તેવી $x$ ની કિંમત કઈ છે?

જો $\varphi (x) = \int_{1/x}^{\sqrt{x}} \sin(t^2) \, dt$ હોય,તો $\varphi'(1) = $

Difficult
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$\mathop {\lim }\limits_{x \to 0} \frac{{\int_0^x {\cos {t^2}dt} }}{x}$ ની કિંમત શોધો.

$\lim _{n \rightarrow \infty} \frac{1}{n}\left\{\sin ^5\left(\frac{\pi}{6 n}\right)+\sin ^5\left(\frac{2 \pi}{6 n}\right)+\sin ^5\left(\frac{3 \pi}{6 n}\right)+\ldots+\sin ^5\left(\frac{\pi}{2}\right)\right\} = $

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