ધારો કે $f(x) = \left| \begin{array}{ccc} \sec x & \cos x & \sec^2 x + \cot x \csc x \\ \cos^2 x & \cos^2 x & \csc^2 x \\ 1 & \cos^2 x & \cos^2 x \end{array} \right|$,તો $\int_0^{\pi /2} f(x) dx = $

  • A
    $\frac{\pi}{4} + \frac{8}{15}$
  • B
    $\frac{\pi}{4} - \frac{8}{15}$
  • C
    $-\frac{\pi}{4} - \frac{8}{15}$
  • D
    $-\frac{\pi}{4} + \frac{8}{15}$

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જો $F(x) = \int_{x^2}^{x^3} \log t \, dt$ $(x > 0)$ હોય,તો $F'(x) = $

ધારો કે $f, g:(0, \infty) \rightarrow \mathbb{R}$ એ બે વિધેયો છે જે $f(x)=\int_{-x}^x(|t|-t^2) e^{-t^2} dt$ અને $g(x)=\int_0^{x^2} t^{1/2} e^{-t} dt$ દ્વારા વ્યાખ્યાયિત છે. તો $(f(\sqrt{\log_{e} 9}) + g(\sqrt{\log_{e} 9}))$ નું મૂલ્ય શોધો.

$\mathop {\lim }\limits_{x \to 0} \left( \frac{\int_0^{x^2} \sec^2 t \, dt}{x \sin x} \right)$ ની કિંમત શોધો.

જો $\int\limits_e^x {t\,f(t)\,dt = \sin x - x\cos x - \frac{{{x^2}}}{2}}$ એ તમામ $x \in R - \{0\}$ માટે હોય,તો $f(\frac{\pi}{6})$ ની કિંમત શોધો.

સંકલન $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \sin^4 x \left( 1 + \log \left( \frac{2 + \sin x}{2 - \sin x} \right) \right) dx$ નું મૂલ્ય શોધો.

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