How can we show this by using mathematical induction

(d^n\dx^n )x^n = n!

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- February 22nd 2011, 11:15 PMmariamaMathematical induction.
How can we show this by using mathematical induction

(d^n\dx^n )x^n = n! - February 22nd 2011, 11:45 PMFernandoRevilla

. We have*First step*

so, the equality is true for

What difficulties have you had in the second step?

. If the question is for then, take into account that:*Remark*

and

Fernando Revilla - February 22nd 2011, 11:50 PMmariama
so , Should I plug n+1 instead of n in the next step ?? or how can i make it

- February 23rd 2011, 12:05 AMFernandoRevilla
Suppose:

Then, prove:

Fernando Revilla - February 23rd 2011, 02:13 AMArchie Meade
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- February 23rd 2011, 11:08 AMmariama
- February 23rd 2011, 11:15 AMTheEmptySet
- February 23rd 2011, 12:48 PMmariama