Q1) Is it possible to multiple a rational number and an irrational number to give an answer which is rational?
Q2) Is it possible to multiply two irrational numbers together to give a rational answer?
Q3) If either or both are possible, give an answer :)
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Second one is possible
(5+root2)* (7+root18)
= 35+6. (Root 18=3*3*2 so we get 2 from another pair )
= 41 ; which is rational
(5+root2)* (7+root18)
= 35+6. (Root 18=3*3*2 so we get 2 from another pair )
= 41 ; which is rational
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