Discrete Mathematics University of Kentucky CS 275 Spring ... - MGNet
Discrete Mathematics University of Kentucky CS 275 Spring ... - MGNet
Discrete Mathematics University of Kentucky CS 275 Spring ... - MGNet
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Some other common summations with closed form solutions are<br />
Sum<br />
Closed Form Solution<br />
n<br />
i<br />
n(n+1)<br />
! i=1<br />
2<br />
n<br />
! i<br />
i=1<br />
2<br />
n(n+1)(2n+1)<br />
6<br />
n<br />
! i<br />
i=1<br />
3<br />
n 2 (n+1) 2<br />
4<br />
!<br />
! x<br />
i=0<br />
i , |x|