Math, asked by madhushree, 1 year ago

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

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Answered by anudeepnarayanavanam

1

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

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