Tdjr2004

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Geometric sequence

In a geometric sequence u1=125 and u6 =1/25
(A) find the value of r (the common ratio)
(B) find the largest value of n for which Sn < 156.22
(C)explain why there is no value of n for which Sn > 160 read more ..

Tdjr2004 Mar 2, 2021