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Let x, y ϵ R, then x + iy is a non real complex number if: 

A. x = 0  B. y = 0 C. x ≠ 0 D. y ≠ 0

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D. y ≠ 0

x + yi is a non – real complex number if y ≠ 0 if x, y ? R.

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