$\int \frac{x+\sin x}{1+\cos x} d x$ ની કિંમત શોધો.

  • A
    $x \tan \frac{x}{2}+c$
  • B
    $\log (1+\cos x)+c$
  • C
    $\cot \frac{x}{2}+c$
  • D
    $\log (x+\sin x)+c$

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$\text{જો } \int \frac{2 e^{x}+3 e^{-x}}{4 e^{x}+7 e^{-x}} d x=\frac{1}{14}\left(u x+v \log _{e}\left(4 e^{x}+7 e^{-x}\right)\right)+C$ જ્યાં $C$ એ સંકલનનો અચળાંક હોય,તો $u+v$ ની કિંમત .... થાય.

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