Question
Question: If \(a , b , c\) are \(p ^ { t h } , q ^ { t h }\) and \(r ^ { t h }\)terms of a G.P., then \(\left(...
If a,b,c are pth,qth and rthterms of a G.P., then (bc)p(ab)r(ca)q is equal to.
A
1
B
aPbqcr
C
aqbrcp
D
arbpcq
Answer
1
Explanation
Solution
a=ARp−1,b=ARq−1,c=ARr−1
∴ (bc)p(ab)r(ca)q=(ARq−1ARr−1)p(ARp−1ARq−1)r(ARr−1ARp−1)q
=R(r−q)p+(q−p)r+(p−r)q=R0=1.