Let $a, b$ and $c$ be positive constants. The value of $a$ in terms of $c$ if the value of the integral $\int_{0}^{1} (acx^{b+1} + a^3bx^{3b+5}) \, dx$ is independent of $b$ is:

  • A
    $\sqrt{\frac{3c}{2}}$
  • B
    $\sqrt{\frac{2c}{3}}$
  • C
    $\sqrt{\frac{c}{3}}$
  • D
    $\sqrt{\frac{3}{2c}}$

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