Q1

Question 1 (1 point) N 1. (1 mark) Given C n2 - M(N+1)(2N+1), then the value of the series 6 E (( (21 -1)) + 1) is given by: n=1 i=1 a) N2(N + 1) + 6N b) 2N(N + 1) +6N c) N(N + 1)(N + 2) +6N d) N(N - 1) + 6N e) N(N + 1)(2N + 1) +6N Oa