$\mathop \smallint \limits_0^\pi \sqrt {1 + 4{{\sin }^2}\frac{x}{2} - 4\sin \frac{x}{2}} \;dx = $

  • A
    $4\sqrt 3 - 4$
  • B
    $4\sqrt 3 - 4 - \frac{\pi }{3}$
  • C
    $\pi - 4$
  • D
    $\frac{2\pi }{3} - 4\sqrt 3 - 4$

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જો સંકર સંખ્યા $(1-\cos \theta+2 i \sin \theta)^{-1}$ નો વાસ્તવિક ભાગ $\theta \in(0, \pi)$ માટે $\frac{1}{5}$ હોય,તો સંકલન $\int_{0}^{\theta} \sin x \,dx$ ની કિંમત કેટલી થાય?

$\int_0^{\pi /8} \cos^3(4\theta) \, d\theta = $

$\int_0^{1.5} x[x^2] dx = $

જો $\int_{0}^{a} \frac{dx}{4 + x^2} = \frac{\pi}{8}$ હોય,તો $a$ ની કિંમત શોધો.

જો $f(x)=|x-1|+|x-2|+|x-3|, \forall x \in[1,4]$ હોય,તો $\int_1^4 f(x) dx=$

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