" 9."x+sqrt(y)" is a pure surd,if "x=

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

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

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

sqrt7 - sqrt5 is a binomial surd

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

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

sqrt(75) and sqrt(147) are like surds

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.

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)