यदि $\lim_{x \to \infty} \frac{(2x - 1)^{19} \cdot (3x + 2)^{11}}{(6x - 5)^{30}} = 2^a \cdot 3^b$ है, तो $a + b = $

  • A
    $-30$
  • B
    $-11$
  • C
    $-19$
  • D
    $30$

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