+0  
 
0
34
1
avatar

Find the closed form sum of 1*2*3 + 2*3*4 + 3*4*5 + ... + n(n + 1)(n + 2).

 Jun 18, 2022
 #1
avatar
0

sum_(k=1)^n k (k + 1) (k + 2) = 1/4 n (n + 1) (n + 2) (n + 3) - this is the closed form.

 Jun 18, 2022

13 Online Users

avatar