Let x and y be rational and irrational number,respectively.is x+y necessarily an irrational no.?give an example
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Yes it is necessary to be an irrational number.
Take x= 3 and y=√7
As we know that √7 is a irrational because it can't be written in p/q form with both p&q as integers
Similarly 3+√7 is also irrational because of same reason
Hope it will work for you
Take x= 3 and y=√7
As we know that √7 is a irrational because it can't be written in p/q form with both p&q as integers
Similarly 3+√7 is also irrational because of same reason
Hope it will work for you
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