SOLUTION: The sum of the first n terms of an arithmetic sequence is n(3n + 11)/2 . a) Find its 1st and 2nd terms b) Find The 20th terms of the sequence

SOLUTION: The sum of the first n terms of an arithmetic sequence is n(3n + 11)/2 . a) Find its 1st and 2nd terms b) Find The 20th terms of the sequence

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Question 356396: The sum of the first n terms of an arithmetic sequence is n(3n + 11)/2 .
a) Find its 1st and 2nd terms
b) Find The 20th terms of the sequence
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

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