मान लीजिए $t_{n}$ अनंत श्रेणी $\frac{1}{1 !} + \frac{10}{2 !} + \frac{21}{3 !} + \frac{34}{4 !} + \frac{49}{5 !} + \ldots$ के $n^{th}$ पद को दर्शाता है। तो $\lim _{n \rightarrow \infty} t_{n}$ क्या है?

  • A
    $e$
  • B
    $0$
  • C
    $e^{2}$
  • D
    $1$

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