The product of the 2nd and 3rd term of a gp is 972.if the first term is 3/4.find the common ratio.
1 answer:
Answer:
Common ratio = 12.
Step-by-step explanation:
2nd term = a1r and 3rd = a1r^2
So (a1)^2 r^3 = 972
a1 = 3/4, so
(3/4)^2 r^3 = 972
r^3 = 972 / 9/16
r^3 = 972*16/9 = 1728
r = 12.
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