CBSE Class 11-science Answered
Please help
Asked by Rahulsinha1993 | 12 Nov, 2009, 09:54: PM
Expert Answer
Let S be the sum, P the product and R the sum of reciprocals of n terms in a G.P
S = a(1-rn)/(1-r)
P=an. r (n2-n)/2
R= (1-r n-1)/arn-1(1-r)
Substitute and simplify
Answered by | 23 Nov, 2009, 05:10: PM
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