$\int \frac{\tan x}{\cos x(\sec x-1)(\sec x-2)} d x=$ . . . . . . $+c$

  • A
    $\log \left|\frac{\cos x+1}{\cos x-2}\right|$
  • B
    $\log \left|\frac{\sec x-2}{\sec x-1}\right|$
  • C
    $\log \left|\frac{\operatorname{cosec} x+2}{\operatorname{cosec} x-1}\right|$
  • D
    $\log \left|\frac{\sec x+2}{\sec x-1}\right|$

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यदि $\int {\frac{{2{x^2} + 3}}{{({x^2} - 1)({x^2} - 4)}}} dx = \log {\left( {\frac{{x - 2}}{{x + 2}}} \right)^a}{\left( {\frac{{x + 1}}{{x - 1}}} \right)^b} + c$ है,तो $a$ और $b$ के मान क्रमशः क्या हैं?

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परिमेय फलन का समाकलन कीजिए:
$\frac{x^{3}+x+1}{x^{2}-1}$

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$\int \frac{dx}{(x+1)(x+2)}$ का मान क्या है?

$\int \frac{3x-2}{(x+1)(x-2)^2} dx = $ (जहाँ $C$ समाकलन का एक स्थिरांक है।)

$\int \frac{x}{(x-1)(x-2)} dx = $ . . . . . . $+ C$.

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