CBSE Class 11-science Answered
find the sum of an infinite g.p whose first term is 28 and the fourth is 4/49
Asked by surain bhandari | 09 Aug, 2010, 12:00: AM
Expert Answer
Dear Student
Following is the solution of your question
Let the GP be a,ar,ar2,ar3,ar4,.......
Given a =28
ar3 =4/49
So r = 1/7
Now sum of infinite GP is
a/(1-r)=28/(1-1/7)=196/6
Regards
Team Topper
Answered by | 09 Aug, 2010, 06:30: PM
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