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1. Let x and y be rational and irrational numbers respectively. Are x+y and xy irrational ?jastifyyour answer by an example for each.​

Answer»

x+y is an IRRATIONAL

eg:-9+√2 is a irrational where 9 is a rational and √2 is an irrational.

xy may or may not be irrational.

Because eg :- 1) 3*√2 = √18

2)0*√2 = 0

In example (1) 3 and √2 are rational and irrational but answer is irrational

WHEREAS in example (2) 0 and √2 are rational and irrational whereas the answer is rational i.e. "0"

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