Express each of the following as a rational number of the form `p/q :`
(i)`(2^(-1)+3^(-1))^2`
(ii) `(2^(-1)-4^(-1))^2`

Explanation

(i)`(2^(-1)+3^(-1))^2`
`=(1/2+1/3)^2`
`=(5/6)^2`
`=25/36`

(ii) `(2^(-1)-4^(-1))^2`
`=(1/2-1/4)^2`
`=(1/4)^2`
`=1/16`