$\int \frac{1}{3 \cos x - 4 \sin x + 5} dx = $

  • A
    $\frac{2}{\sqrt{5}} \tan^{-1}\left(\frac{3 \tan \frac{x}{2} + 4}{\sqrt{5}}\right) + c$
  • B
    $\frac{3}{4} \tan^{-1}\left(\frac{\tan \frac{x}{2}}{3}\right) + c$
  • C
    $\frac{1}{2 - \tan \frac{x}{2}} + c$
  • D
    $\frac{1}{1 + \tan \frac{x}{2}} + c$

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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 $f(-1)+\sqrt{7} g(-1)=$

$\int \frac{2 x+2}{\sqrt{x^2-4 x-5}} d x$ का मान ज्ञात कीजिए।

फलन का समाकलन कीजिए: $\sqrt{x^{2}+4x+1}$

फलन का समाकलन कीजिए: $\sqrt{x^{2}+3x}$

यदि $\int \frac{d x}{3-2 \cos 2 x}=\frac{\tan ^{-1}(f(x))}{\sqrt{5}}+c$,(जहाँ $c$ समाकलन का स्थिरांक है),तो $f(\pi / 4)$ का मान ज्ञात कीजिए:

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