Let x and y be rational and irrational numbers respectively are x+y and xy irrational? Justify by an example for each...
x+y will be irrational as rational number+irrational number is always irrational no.
Ex- 2+5.55..=7.55..which is irrational.
xy will also be irrational rational no.* irrational no. is always irrational no.
Ex-3*4.55..=13.66..which is irrational too.