The third term of a Gp is 9 and fifth term is 16.find the second term
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Answer:
a3=9
therefore a+2d =9 ----(1)
and a+4d =16----(2)
from eq 1 and 2
d=3.5
a=2
therefore second term
=a+d
=2+3.5
=5.5
second term = 5.5
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