Have a feeling that there is something wrong with the question ... check it once again...tridip wrote:The sequence of a1,a2,a3.........an of n integers is such that ak=k.If k is odd & an=-ak-1 if k is even.Is the sum of the terms in the sequence positive??
A-- n is odd.
B-- an is positive..
I dont have any idea how to solve this math.plss help..
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