SOLUTION: the sum of 3 terms of an arithmetic sequence is 15. the sum of their squares is 147. Find t1, t2, t3
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Question 388936: the sum of 3 terms of an arithmetic sequence is 15. the sum of their squares is 147. Find t1, t2, t3 Found 2 solutions by Alan3354, edjones:Answer by Alan3354(69443) (Show Source):