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Please give me the solution of a G.P consist of an even no. of terms. If the sum of all terms is 5 times the sum of terms occupying odd placesthen find the common ratio

Posted by Dharna Saini 5 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Yakshi ? 5 years, 4 months ago

Let g.p as (a ar ar^2 ar^3.............ar^n-1) acc.to quest. Total no. Of terms is even....okk so....now....what will be the terms occupying odd place..it will be T1 , T3 , T5.......so on..T1 is a T3 is ar T4 is ar^2....okk???then find sum of odd terms ...by the formula a(r^n -1)/r-1....similarly find total of all terms and do as given in question..if u get any other problem then u can ask....actually it is not possible to solve all the question here okk??

3Thank You

ANSWER

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CBSE > Class 11 > Mathematics