Levi W.

asked • 03/12/15

Prove that 1·1!+2·2!+···+n·n!=(n+1)!-1 whenever n is a positive integer. Mathematical Induction.

This is a problem that is supposed to use mathematical induction.
I know how to create the basis case, and create the assumption using "k" but as soon as you are supposed to prove for "k+1" i am lost...please help me!

1 Expert Answer

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Melanie W. answered • 03/12/15

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