Sequences and Series Part 1
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Question : 71 of 100
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Let a 1 , a 2 , a 3 , . . . . , a n be in A.P.If a 3 + a 7 + a 11 + a 15 = 72 then the sum of its first 17 terms is equal to :
[Main 10 Apr 2016]
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