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Grade 11Algebra

if in a GP , R denotes the sum of reciprocals of terms , S denotes sum of the terms and P denotes the product of the terms . Then what is P2R3:S3 = ?

Profile image of Pratyush Ranjan Roul
9 Years agoGrade 11
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1 Answer

Profile image of moumi roy
9 Years ago
ANS=1
LET TERMS BE a/r,a,ar
R=(r/a)+(1/a)+(1/ar)=(r2+r+1)/ar
S=(a/r)+a+ar=a(r2+r+1)/r
P=a3
putting in (P^2*R^3)/s^3 we get 1

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