The third term of a G.P. is 8 and sixth term is 64. Find its 9th term.
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N th term of GP= ar^(n-1)
for n=3,
ar^2=8 ......eq 1
for n=6,
ar^5=64 ......eq 2
solve eq 1 and eq 2
a=2, r=2
for n=9
ar^8=2*2^8=2^9=512
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for n=3,
ar^2=8 ......eq 1
for n=6,
ar^5=64 ......eq 2
solve eq 1 and eq 2
a=2, r=2
for n=9
ar^8=2*2^8=2^9=512
I hope the answer is clear
If you like it follow me
Pls mark me as brainlist
#Nisha
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