solve 4th question ....
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Step-by-step explanation:
a(1) = 3
a(5) = a(1)*r^4 = 3/16
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Solve:
r^4 = (3/16)/(3/1)
r^4 = 1/16
r = 1/2
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Series:
3,3/2,3/4,3/8,3/16
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