Search
Ask a question
0 0

Find the nth partial sum of the arithmetic sequence

1,4,9,16,25… ..n=10
Tutors, please sign in to answer this question.

1 Answer

Daisy,
 
 
    ∑1N n2 =(1/6)N(N+1)(2N+1)  =385 for N=10
 
Regards
Jim

Comments