Question 24 Show that the ratio of the sum of first n terms of a G.P. to the sum of terms from (n+1)th to (2n)th term is 1/r^n .
Class X1 - Maths -Sequences and Series Page 193
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59
see , attachment .
we proved this by using formula ,
sum of n terms of GP = first term {common ratioⁿ - 1}/(common ratio - 1)
we proved this by using formula ,
sum of n terms of GP = first term {common ratioⁿ - 1}/(common ratio - 1)
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26
hope it will help..........
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