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question 10
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Q 10
no 2 is not rational as 5-√2 is not possible due to the value of √2
no 4 is not rational as 2√5 is not possible due to the value of √5
no 1 is rational as it is in p/q form
no 3 is rational as
(4-√3)(4-√3)=4(4-√3)-√3(4-√3)
=16-4√3-4√3-3
=16-3-0
=13
no 5 is rational as 7-√4=7-2=5
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