laknuu laknuu
  • 02-07-2021
  • Mathematics
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[tex]\frac {n! + (n + 1)!} {n!}[/tex]
help me in this please

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LammettHash
LammettHash LammettHash
  • 02-07-2021

(n! + (n + 1)!) / n! = n!/n! + (n + 1)!/n! = 1 + (n + 1) = n + 2

because (n + 1)! = (n + 1)n!.

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