व्यंजक $\frac{\int_0^n [x] dx}{\int_0^n \{x\} dx}$, जहाँ $[x]$ और $\{x\}$ क्रमशः $x$ का पूर्णांक और भिन्नात्मक भाग हैं और $n \in N$ है, किसके बराबर है?

  • A
    $\frac{1}{n-1}$
  • B
    $\frac{1}{n}$
  • C
    $n$
  • D
    $n-1$

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