Q7 State which of the following are irrational numbers.
(i) 3 - √(7/25)
(ii) -2/3 + ∛2
(iii) 3/√3
(iv) -2/7 ∛5
(v) (2 - √3) (2 + √3)
(vi) (3 + √5) 2
(vii) (2/5 √7) 2
(viii) (3 - √6) 2
Solution
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