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RE: Math Contest #19 [1 SBI] + 10 STEM for every participant! + Announcement!
Either 1 or 0 depending on what the last symbol is. Since you also expressed it as sun of (-1)^0 I am inclined to believe the answer is 1 as any number to the ^0 power is 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-…