यदि $y = a^x \cdot b^{2x-1}$ है,तो $\frac{d^2 y}{d x^2}$ किसके बराबर है?

  • A
    $y(\log(a b^2))$
  • B
    $y^2(\log(a b^2))$
  • C
    $y(\log(a b^2))^2$
  • D
    $y^2(\log(a b))^2$

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