Question

2. Which of the following are Rational numbers (or) Irrational numbers?
Ü (+
(ii) (4-2)(4-3
(iv) (2 + 15) (3-5)
22
()
(VD)
(vii) Tc


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Answer 1

i) (3+sqrt(2))^2 = 11+6sqrt(2) ;Therefore Irrational

ii) (4-sqrt(2))(4+sqrt(2)) = 14 ;Therefore Rational

iii) Answer: 8 ;Therefore Rational

iv) Answer: 2.851033121 ;Therefore Irrational

v) Answer : (3+sqrt(2))/7 ;Therefore Rational

vi) 22/7 ;Therefore Rational

Rational numers are numbers that can be expressed as fractions.

Irration Numbers are numbers that can't be expressed as fraction.