If the 2nd term of a G.P series is 3/2 and the Fourth term is 3/8, find the first and common ratio of the series
1 answer:
Step-by-step explanation:
second terms:
ar=3/2
forth term
ar^3=3/8
combine two equation:
r^2=1/4
r= +1/2 or -1/2
a=3 or -3
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