જો $\int \left( \frac{4 e^x + 6 e^{-x}}{9 e^x - 4 e^{-x}} \right) d x = A x + B \log |9 e^{2 x} - 4| + C$ હોય,તો $(A, B) = $

  • A
    $(\frac{3}{2}, \frac{35}{36})$
  • B
    $(-\frac{3}{2}, -\frac{35}{36})$
  • C
    $(-\frac{3}{2}, \frac{35}{36})$
  • D
    $(\frac{3}{2}, -\frac{35}{36})$

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$\begin{aligned} & \text{જો } 5(f(x))^2 = x f(x) + 30 \text{ અને } \\ & \int \frac{3 x^3 + (1 - 30 x^2) f(x)}{(10 f(x) - x)(x^3 - f(x))^2} dx \\ & = \frac{A}{B x^3 + D f(x)} + C, \text{ તો } A + B + D = \end{aligned}$

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