Find the coefficient of $x^{49}$ in the expansion of $(2x + 1) (2x + 3) (2x + 5)----- (2x + 99)$

  • A

    ${2^{50}} \times 2500$

  • B

    ${2^{49}} \times 2500$

  • C

    ${-2^{50}} \times 2500$

  • D

    ${-2^{49}} \times 2500$

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