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Question

If the pth,qth and rth term of a G.P. are a,b,c respectively , then aqrbrpcpq is equal to

A
0
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B
1
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C
abc
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D
pqr
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Solution

The correct option is B 1
nth term of GP=APn1
pth term of GP=a
Ap=a
ARp1=a
a=ARp1
$a^{q-r}= (AR^{p-1})^{q-r}
=aqr.brp.cpq
= by solving =AoRo=1
qth term
Aq=b
ARq1=b
b=ARq1
b=(ARq1)rp
rth term
Ar=c
ARr1=c
c=ARr1
cpq=(ARr1)p2
------------------------------------------------------------------
MHTCET=35 Students
AIEEE=40
IIT=40
MHECETAIEE=20
AIEEE & IIT=17
MHTCET & IIT=15
All 3=5
(1) 20068=132
(2) fail-lid un AIEEE 8 IIT=12

1420258_1079573_ans_540f2d2a8a3c49739cd1f3fce6978bcf.png

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