Computer Science, asked by summerbloom, 1 year ago

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

Answers

Answered by TPS
7
n! (n + 2)
= n! (n + 1 + 1)
= n! × (n + 1) + n! × 1
= (n+1)! + n!
= n! + (n+1)!
Answered by kvnmurty
0
n!  * (n+2)
   =  n ! * (n+1+1)
   = n! * (n+1) + n!
  = (n+1)!  + n!

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