જો $I_1 = \int\limits_0^1 {{e^{ - x}}} {\cos ^2}x\,dx$,$I_2 = \int\limits_0^1 {{e^{ - {x^2}}}} {\cos ^2}x\,dx$ અને $I_3 = \int\limits_0^1 {{e^{ - {x^3}}}} dx$ હોય; તો

  • A
    $I_2 > I_3 > I_1$
  • B
    $I_3 > I_1 > I_2$
  • C
    $I_2 > I_1 > I_3$
  • D
    $I_3 > I_2 > I_1$

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$I = \int_{-\pi / 2}^{\pi / 2} |\sin x| \, dx$ ની કિંમત શોધો.

ધારો કે $f(x) = 7 \tan^8 x + 7 \tan^6 x - 3 \tan^4 x - 3 \tan^2 x$ એ દરેક $x \in \left(-\frac{\pi}{2}, \frac{\pi}{2}\right)$ માટે છે. તો સાચું/સાચા પદ/પદો કયા છે?
$(A) \int_0^{\pi/4} x f(x) dx = \frac{1}{12}$
$(B) \int_0^{\pi/4} f(x) dx = 0$
$(C) \int_0^{\pi/4} x f(x) dx = \frac{1}{6}$
$(D) \int_0^{\pi/4} f(x) dx = 1$

$\int_{\frac{1}{3}}^3 \frac{1}{x} \sin \left(\frac{1}{x}-x\right) d x=$

$\int_3^5(x-3)^3(5-x)^5 d x=$

$\int_0^{\frac{\pi}{4}} \frac{\cos ^2 x}{\cos ^2 x+4 \sin ^2 x} d x=$

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