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Pratyush Ranjan Roul Grade: 11
        
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:S= ?
one year ago

Answers : (1)

moumi roy
78 Points
										
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
one year ago
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