OpenStudy (anonymous):

If the nth partial sum of a sequence an is given by S_n = (3n+5)/(n+3) , what is A_n when n >= 2

5 years ago
OpenStudy (anonymous):

you knw the relation : a(n) = s(n)-s(n-1) use this formula

5 years ago
OpenStudy (anonymous):

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5 years ago