Determine which of these relations are symmetric. The variables x, y, x', y' represent integers. A. x Ry if and only if x + y is positive. B. x Ry if and only if æ = |y|. O C. x Ry if and only if æy is positive. O D. æ Ry if and only if x – y is positive. O E. x Ry if and only if ry > 0.

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A: Since you have asked multiple question, we will solve the first 3 question for you as per our guide…

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A: since you have posted multiple question in this question which are not interlinked so i have solved…