GRE Question of the Day (September 21)

By - Sep 21, 02:00 AM Comments [0]

Math

If x2y2=0x2−y2=0 and xy0xy≠0, which of the following MUST be true?
Indicate all such statements.

A. x = y
B. |x| = |y|
C. x2y2=1

Question Discussion & Explanation

Correct Answer - A and C - (click and drag your mouse to see the answer)

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