Which of the following is surds:
         (i)
         (ii)
         (iii) 3÷ 6
        

58  Represent 0.2 in the form of . 59 Simplify by rationalising the denominator: 61 Express as a pure surd:
         (i) (ii) (iii) 
         (iv) (v) (vi) 62 Express as a mixed surd in its simplest form:
         (i) (ii) (iii)
         (iv) (v) (vi)