Question

is the product of two irrational no. always irrational? justify your ans
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Answer 1

no it is not always irrational

because √5 is irrational but √5×√5 =√25=5 which is rational ...and also √2 and √8 are also irrational but √2×√8=√16=4 which is rational

hope it helps

Answer 2

it may be
rational or irrational
(5-root23 )+root 23
so -23 and +23 will be cancelled
and the answer will be 5
which is rational