( -1 )^2 + ( -1 )^3 + ( -1 )^4 + ( -1 )^5 = ___

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$(-1)^{2}+(-1)^{3} + (-1)^{4} + (-1)^{5}$ = ____

A-1

D-4

Answer:

(-1)^2 = 1 (-1)^3 = -1 (-1)^4 = 1 (-1)^5 = -1 1 - 1 + 1 - 1 = 0

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