Posted by simphiwe on Sunday, February 26, 2012 at 5:23pm.
a = 48
term(5) = ar^4
3 = 48r^4
r^4 = 1/16
r = ± 1/2
sequence is
48 24 12 6 3 ...
or
48 - 24 12 -6 3 ...
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