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OpenStudy (anonymous):
An arithmetic sequence is represented as 5 , 9 , 13 , ... with the nth term represented as 4n + 1. Write a formula to represent the sum of the first n terms.
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OpenStudy (anonymous):
= n ( 2 n + 3)
OpenStudy (anonymous):
thanx
OpenStudy (anonymous):
Any question?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
Just to make sure you're happy :)
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