+0  
 
0
625
1
avatar+646 

Find \(\sum_{k = 0}^{10} (k + 2) \cdot 3 \cdot 2^k.\)

 Feb 9, 2018
edited by waffles  Feb 9, 2018
 #1
avatar
0

∑(k + 2) *3* 2^k, k=0 to 10 =67,584

 Feb 9, 2018

3 Online Users

avatar