Sequences and Series Part 2
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Question : 12 of 100
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Let a 1 , a 2 , a 3 , . . . . be an A.P. If a 7 = 3 , the product a 1 a 4 is minimum and the sum of its first n terms is zero, then n ! − 4 a n ( n + 2 ) is equal to :
[31-Jan-2023 Shift 2]
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