" (3) Fapress "(2)/(3)" ,"sqrt(18)" as a pure surd."

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

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

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)

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

sqrt(192) and sqrt(147) are ________ surds

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

Express as mixed surd.(1)/(3)sqrt(162)

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

root(3)(3+sqrt(2)) is a surd . (True/False)

sqrt7 - sqrt5 is a binomial surd