$ \int_{0}^{\frac{1}{2}} \frac{dx}{(1+x^{2}) \sqrt{1-x^{2}}} $ ની કિંમત શોધો.

  • A
    $ \frac{1}{\sqrt{2}} \tan^{-1} \sqrt{\frac{2}{3}} $
  • B
    $ \frac{2}{\sqrt{2}} \tan^{-1} \left(\frac{3}{\sqrt{2}}\right) $
  • C
    $ \frac{\sqrt{2}}{2} \tan^{-1} \left(\frac{3}{2}\right) $
  • D
    $ \frac{\sqrt{2}}{2} \tan^{-1} \left(\frac{\sqrt{3}}{2}\right) $

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$\int_0^1 \frac{dx}{[ax + b(1 - x)]^2} = $

ધારો કે $f(x) = \max \{x + |x|, x - [x]\}$, જ્યાં $[x]$ એ $x$ થી મોટો ન હોય તેવો મહત્તમ પૂર્ણાંક દર્શાવે છે. તો $\int_{-3}^3 f(x) \, dx$ નું મૂલ્ય શોધો.

$\int_0^1 \sqrt{\frac{1-x}{1+x}} \, dx$ ની કિંમત શોધો.

$\int_{-1}^2 |x| \, dx =$

$\int_0^{\infty} \frac{dx}{(x^2+4)(x^2+9)}$ નું મૂલ્ય શોધો.

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