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Subject :IMO    Class : Class 8

If x is a rational number and y is an irrational number then

ABoth x + y and xy are necessarily irrational.
BBoth x + y and xy are necessarily rational.
Cxy is necessarily irrational, but x + y can be either rational or irrational
Dx + y is necessarily irrational, but xy can be either rational or irrational.


Ans 1:

Class : Class 8

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