Question

Find the sum of ——-

Answer 1

This answer is 0 because it equals nothing

Answer 2

0

Explanation:

k = 1 3-1 =2

k = 2 3-2 =1

k = 3 3-3 =0

k = 4 3-4 =-1

k = 5 3-5 =-2

2+1+0+-1+-2 = 0

The sum is 0