Asked by Snontia

The first term of a geometric sequencf is 3 and the sum of the second and the third term is 60.determine the first three terms and the general term Tn
Answered by Steve
T2+T3 = ar+ar^2 = 3r(r+1) = 60
r=4
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Answered by debra
R is 20 or r is _1
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