Find the 12th term of a G.P. whose 8 term is 192 and the common ratio is 2.
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Answer:
12th term is 3072
Step-by-step explanation:
r=2
a
8
=a
1
(2)
8−1
192=a
1
(2)
7
192=a
1
(2)
7
2
7
192
=a
1
2
7
192
×2
12−1
=a
12
2
7
192
×2
11
=a
12
a
12
=192×2
4
a
12
=3072
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