यदि $\int \frac{3x+1}{(x-1)^3(x+1)} dx = A \cdot \log \left|\frac{x+1}{x-1}\right| + \frac{B}{x-1} + \frac{C}{(x-1)^2} + D$ है,तो $A+B+C=$

  • A
    $\frac{-5}{4}$
  • B
    $\frac{5}{4}$
  • C
    $\frac{-5}{2}$
  • D
    $\frac{5}{2}$

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$\int \frac{x \, dx}{(x^2 - a^2)(x^2 - b^2)} = $

यदि $\int \frac{2x^2+3}{(x^2-1)(x^2-4)} dx = \log \left[\left(\frac{x-2}{x+2}\right)^a \cdot \left(\frac{x+1}{x-1}\right)^b\right] + c$,(जहाँ $c$ समाकलन का स्थिरांक है),तो $a+b$ का मान ज्ञात कीजिए।

$\int \frac{x + 2}{x^2 - 7x + 12} dx$ का मान है

$\int \frac{dx}{(x^2+1)(x^2+4)} = $

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