(1-i)/(2+2i) * 1/(-2-2i) = (1-i)/(2+2i) * -1/(2+2i) = -(1-i)/(2+2i)^2 = -(1-i)/(8i) = -1/8 (1/i - 1) = -1/8 (-1 - i) = 1/8 + 1/8 i
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