यदि $P_{n}$,$(1+x)^{n}$ के विस्तार में द्विपद गुणांकों का गुणनफल दर्शाता है,तो $\frac{P_{n+1}}{P_n}=$

  • A
    $\frac{n+1}{n!}$
  • B
    $\frac{n^{n}}{n!}$
  • C
    $\frac{(n+1)^{n}}{(n+1)!}$
  • D
    $\frac{(n+1)^{n+1}}{(n+1)!}$

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