આપેલ છે કે $\int \frac{1}{x^2+a^2} dx = \frac{1}{a} \tan^{-1}\left(\frac{x}{a}\right) + C$. જો $\int \frac{1}{x^4+3x^2+1} dx = a \cdot \tan^{-1}\left(\frac{b(x^2-1)}{x}\right) + c \cdot \tan^{-1}\left(\frac{d(x^2+1)}{x}\right) + k$, જ્યાં $k$ એ સંકલનનો અચળાંક છે, તો $5(c+d+ab) = $

  • A
    $3$
  • B
    $5$
  • C
    $8$
  • D
    $10$

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જો $\int \frac{1}{\cos^3 x \sqrt{\sin 2x}} dx = p(\tan^2 x + q)\sqrt{\tan x} + c$ હોય, તો $p$ અને $q$ ની કિંમતો અનુક્રમે છે

જો $\int \frac{1}{x^4+8 x^2+9} d x = \frac{1}{k} \left[ \frac{1}{\sqrt{14}} \tan^{-1}(f(x)) - \frac{1}{\sqrt{2}} \tan^{-1}(g(x)) \right] + c$ હોય, તો $\sqrt{\frac{k}{2} + f(\sqrt{3}) + g(1)} =$

જો $\int \frac{2 x^2+5 x+9}{\sqrt{x^2+x+1}} d x=x \sqrt{x^2+x+1}+\alpha \sqrt{x^2+x+1}+\beta \log _{ e }\left| x +\frac{1}{2}+\sqrt{ x ^2+ x +1}\right|+ C$ હોય,જ્યાં $C$ એ સંકલનનો અચળાંક છે,તો $\alpha+2 \beta$ ની કિંમત . . . . . . છે.

$\int \frac{2x + 1}{(x^2 + 4x + 1)^{3/2}} \, dx$

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$\int e^{\tan ^{-1} x} \cdot \frac{1+x+x^2}{1+x^2} dx$ નું મૂલ્ય શોધો.

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