Express `2/3.sqrt(18)` as a pure surd.

Express the surd 2sqrt(3) as a pure surd.

Express the following as a pure surd : (2)/(3)root(3)(16)

Q.Which of the following is/are always true? (a) Every irrational number is a surd.(b) Any surd of the form n sqrt(a)+n sqrt(b) can be rationalised by a surd of the form (n sqrt(a)-n sqrt(b)) a where n sqrt(a) and n sqrt(b) are surds.(c) Both (a) and (b) Neither (a) nor (b)

State if 3sqrt(71) is a surd justify.

x+sqrt(y) is a pure surd, if x=______ (zero/one)

Express the surd (3)/(sqrt(11) with rational denominator .

A.M of two surds is 5+9sqrt(2) ,one of the surds is 1+12sqrt(2) then square root of the second surd is

State whether the surds sqrt(50) and sqrt(90) are like surds or unlike surds.

State whether the surds sqrt(50) and sqrt(90) are like surds or unlike surds.

sqrt(150) and sqrt(180) are ______ surds