it the (p+q) term of a GP is a and (p-q) term is b,determine it's p term.
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Answer:
a
p+q
=a
1
r
(p+q−1)
a=a
1
r
(p+q−1)
(1)
a
p−q
=a
1
r
(p−q−1)
b=a
1
r
(p−q−1)
(2)
Multiply (1) and (2), we get
ab=a
1
2
r
(p+q−1+p−q−1)
ab=a
1
2
r
(2p−2)
ab=(a
1
r
p−1
)
2
ab
=a
1
r
p−1
=a
p
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