Sequences and Series Part 1
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Question : 13 of 100
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If the sum of first 11 terms of an A.P., a 1 a 2 , a 3 , . . . . is 0 ( a 1 ≠0 ) , then the sum of the A.P., a 1 , a 3 , a 5 , . . . . , a 23 is k a 1 , where k is equal to :
[2 Sep 2020 Shift 2]
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