Tell which of the following numbers are rational and irrational
`(1) 2-sqrt5`
`(2) (3+sqrt23)-sqrt23`
`(3) 1/sqrt2`
`(4) 2pi`

Classify the following number as rational or irrational numbers 3-sqrt(2)

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

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

Examine,whether the following numbers are rational or irrational: (sqrt(5)-2) (ii) sqrt(23) (iii) sqrt(255)

Which of the following are rational or irrational no ;- (2+sqrt3)^2 , (5-sqrt3)^2

Examine,whether the following numbers are rational or irrational: sqrt(7) (ii) sqrt(4) (iii) 2+sqrt(3)

Examine,whether the following numbers are rational or irrational: (2-sqrt(2))(2+sqrt(2)) (ii) (sqrt(2)+sqrt(3))^(2)

Examine,whether the following numbers are rational or irrational: sqrt(3)+sqrt(2)(v)sqrt(3)+sqrt(5) (vi) (sqrt(2)-2)^(2)