જો $\int_0^1 \frac{1}{\sqrt{3+x}+\sqrt{1+x}} d x=a+b \sqrt{2}+c \sqrt{3}$,જ્યાં $a, b, c$ સંમેય સંખ્યાઓ છે,તો $2 a+3 b-4 c$ ની કિંમત શોધો:

  • A
    $4$
  • B
    $10$
  • C
    $7$
  • D
    $8$

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જો $f(x) = \begin{cases} \frac{6 x^2 + 1}{4 x^3 + 2 x + 3}, & 0 < x < 1 \\ x^2 + 1, & 1 \le x \le 2 \end{cases}$ હોય,તો $\int_0^2 f(x) dx =$

$\int_0^2 \sqrt{(x+3)(2-x)} \, dx =$

નિશ્ચિત સંકલન $\int_{0}^{\frac{2}{3}} \frac{d x}{4+9 x^{2}}$ ની કિંમત શોધો.

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$\int_0^1 {{{\sin }^{ - 1}}\left( {\frac{{2x}}{{1 + {x^2}}}} \right)\,dx = } $

$\int_0^{\frac{\pi}{2}} \frac{d x}{5+4 \cos x} = $

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