Asked by Nathan Armitage
18, X , 32, are three consecutive terms in a geometric sequence. Calculate the value(s) of X.
Answers
Answered by
oobleck
32 = 18r^2
r^2 = 16/9
r = ±4/3
so x = ±24
r^2 = 16/9
r = ±4/3
so x = ±24
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