MCQOPTIONS
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MCQOPTIONS
| 1. |
If x is a rational number and y is an irrational number, then- |
| A. | oth x + y and xy are necessarily rational |
| B. | oth x + y and xy are necessarily irrational |
| C. | y is necessarily irrational, but x + y can be either rational or irrational |
| D. | + y is necessarily irrational, but xy can be either rational or irrational |
| Answer» E. | |