Which one of the following are irrational numbers ?
(i)`sqrt(2+sqrt3)` , (ii)`sqrt(4+sqrt25)` , (iii)`root3(5+sqrt7)` , (iv) `sqrt(8-root3(8))`

Identify each of the following as rational or irrational number . (i) sqrt(12) (ii) 3 sqrt(2) xx sqrt(8)

Which one of the following is correct? The real number root3(2+sqrt(5))+root3(2-sqrt(5)) is :

Classify the following numbers as rational or irrational number: (i) sqrt(27) (ii) sqrt(36 (iii) sqrt(5) xx sqrt(125) (iv) 2 sqrt(3) (v) (7 sqrt(7))/(sqrt(343)) (vi) 2 + sqrt(21) (viii) 5 + 2 sqrt(23) - (sqrt(25) + sqrt(92)) (viii) (22)/(7) (ix) pi (x) .^(3)sqrt(37)

Which of the following number is not irrational ?(i)(2)/(sqrt(3)),(sqrt(3))/(4),sqrt((25)/(49)),7sqrt(2)

Which of the following is irrational? (a) (2-sqrt3)2 (b) (sqrt2+sqrt3)2 (c) (sqrt2-sqrt3)(sqrt2+sqrt3) (d) (2sqrt7)/7

Simplify each of the following expressions : (i) (3+sqrt(3))(2+sqrt(2)) (ii) (3+sqrt(3))(3-sqrt(3)) (iii) (sqrt(5)+sqrt(2))^(2) (iv) (sqrt(5)-sqrt(2))(sqrt(5)+sqrt(2))

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