MCQOPTIONS
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MCQOPTIONS
| 1. |
If x ≠ y and (x + y)2 = (x - y)2, then which of the following must be true? |
| A. | x + y = x - y |
| B. | x + y = -(x - y) |
| C. | x = 0 |
| D. | xy = 0 |
| Answer» E. | |