$\sum \limits_{k=0}^{6} {}^{51-k}C_{3}$ ની કિંમત શોધો.

  • A
    ${}^{51}C_{4}-{}^{45}C_{4}$
  • B
    ${}^{51}C_{3}-{}^{45}C_{3}$
  • C
    ${}^{52}C_{4}-{}^{45}C_{4}$
  • D
    ${}^{52}C_{3}-{}^{45}C_{3}$

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