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zmudz
 one year ago
Find a closed form for
Sn=1⋅1!+2⋅2!+…+n⋅n!.
for integer n≥1. Your response should have a factorial.
zmudz
 one year ago
Find a closed form for Sn=1⋅1!+2⋅2!+…+n⋅n!. for integer n≥1. Your response should have a factorial.

This Question is Closed

freckles
 one year ago
Best ResponseYou've already chosen the best response.1are you just looking to put it in sigma notation?

freckles
 one year ago
Best ResponseYou've already chosen the best response.1notice if you had 1+2+3+...+n this can be written as \[\sum_{i=1}^{n}i\] notice if you had 1!+2!+3!+...+n! this can be written as \[\sum_{i=1}^{n}i!\]

freckles
 one year ago
Best ResponseYou've already chosen the best response.1anyways I hope this gives you an idea of how to write 1*1!+2*2!+...+n*n! in sigma notation
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