Question

The product of a rational and irrational number is
(a) rational
(b) irrational
(c) both of above
(d) none of above​

Answer 1

Answer :-

The product of rational and irrational number is an (b) irrational number.

Explanation :-

The product of any rational and irrational number is irrational.

If a is a rational number and b is an irrational number. Then ab is irrational.

For example :-

a = 2 ( rational number ) ,

b = √3 ( irrational number )

Now find product of both the numbers = a × b

So , product is 2√3 , which is an irrational number

Answer 2

B) irrational


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