Math, asked by nidheeshkj, 1 year ago

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

Answers

Answered by Jahnvi97

14

LHS
= n! (n+2)
= n! (n+1+1)
=n! [(n+1)+1]
=n! * (n+1) + n! * 1
= (n+1)! + n!
= n! + (n+1)!
=RHS

PROVED

nidheeshkj: thanx frnd

Jahnvi97: wlcm!! Please mark as brainliest!

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