$\int \frac{d x}{\sin x+\cos x}=$

  • A
    $\frac{1}{\sqrt{2}} \log \left|\tan \left(\frac{x}{2}+\frac{\pi}{8}\right)\right|+C$
  • B
    $\frac{1}{\sqrt{2}} \log \left|\tan \left(\frac{x}{2}+\frac{\pi}{4}\right)\right|+ C$
  • C
    $\frac{1}{\sqrt{2}} \log \left|\tan \left(\frac{x}{4}+\frac{\pi}{2}\right)\right|+ C$
  • D
    $\frac{1}{\sqrt{2}} \log \left|\tan \left(\frac{x}{8}+\frac{\pi}{2}\right)\right|+ C$

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સંકલન $\int \frac{\log x - (\log x)^2 + x^2}{x^3} dx$ ની કિંમત શોધો (જ્યાં $C$ એ સંકલનનો અચળાંક છે).

$\int \frac{\sin x+\sin ^3 x}{\cos 2 x} \,d x=A \cos x+B \log |f(x)|+c$ (જ્યાં $c$ એ સંકલનનો અચળાંક છે). તો $A, B$ અને $f(x)$ ની કિંમતો શોધો:

$\int \frac{1+\sqrt{3} \cot x}{1-\sqrt{3} \cot x} d x=$

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.

જો $\int e^x \left(f(x) - f^{\prime}(x)\right) dx = g(x) + C$ હોય,તો $\int e^x f^{\prime}(x) dx =$

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