Rationalize the denominators of the following:
(i) 
(ii) 
(iii) 
(iv) 
(i) 
= 
= 
(ii) 
= 
= 
= 
= 
(iii) 
= 
= 
= 
= 
(iv) 
= 
= 
= 
= 
13
Rationalize the denominators of the following:
(i) (ii)
(iii) (iv)
(i) = =
(ii) =
=
=
=
(iii) =
=
=
=
(iv) =
=
=
=