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7y
I expressed it as sum of (-1)^i, where i starts at 0 and gets incremented until it reaches infinity.
Thus leading to (-1)⁰+(-1)¹+(-1)²+… = 1-1+1-…
I expressed it as sum of (-1)^i, where i starts at 0 and gets incremented until it reaches infinity.
Thus leading to (-1)⁰+(-1)¹+(-1)²+… = 1-1+1-…
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