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Classify the following numbers as ration...

Classify the following numbers as rational or irrational:
(i) `2-sqrt(5)`
(ii) `(3+sqrt(23))-sqrt(23)`
(iii) `(2sqrt(7))/(7sqrt(7))`
(iv) `(1)/(sqrt(2))`
(v) `2pi`

Text Solution

Verified by Experts

The correct Answer is:
(i) irrational number
(ii) rational number.
(iii) rational number.
(iv) irrational number.
(v) irrational number.
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