यदि $\int \frac{x^2-x+2}{x^2+x+2} d x=x-\log (f(x))+\frac{2}{\sqrt{7}} \operatorname{Tan}^{-1}(g(x))+c$ है,तो $f(-1)+\sqrt{7} g(-1)=$

  • A
    $1$
  • B
    $0$
  • C
    $-1$
  • D
    $2$

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Similar Questions

फलन का समाकलन कीजिए: $\sqrt{x^{2}+4x-5}$

यदि $\int \frac{\log (1+x^4)}{x^3} d x=f(x) \log \left(\frac{1}{g(x)}\right)+\tan ^{-1}(h(x))+c$ है,तो $h(x)\left[f(x)+f\left(\frac{1}{x}\right)\right]=$

$\int \sqrt{1 + x^2} \, dx = $

$\int \sqrt{x^2-8 x+7} \, dx = $ . . . . . . $+ C$.

समाकल का मान ज्ञात कीजिए: $\int \frac{(x+1) dx}{x(1+xe^x)}$

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