SOLUTION: if the sum of first n terms of the series 5,9,13,17,....is 275 then find n.

SOLUTION: if the sum of first n terms of the series 5,9,13,17,....is 275 then find n.

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Question 893052: if the sum of first n terms of the series 5,9,13,17,....is 275 then find n.

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
general term

Solve for n.
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