document.write( "Question 604057: Will you show me how to evaluate this problem. 2+5+8+11+.....; S9 I know it is an Arithmatic series, I just don't know how to evaluate it! \n" ); document.write( "
Algebra.Com's Answer #380950 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Hint: For any general arithmetic sequence, it's nth partial sum is |