Q$4.$ Given two arrays $A=\{a_0,a_1\}$ and $B=\{b_0,b_1\},$ each array contain $2$ word elements

defined as follows,

$A$:$.$word $a_0,a_1$

$B$:$.$word $b_0,b_1$

The Sum Square Error $($SSE$)$ of A and $B$ is defined by$,$

SSE$={\displaystyle \underset{i=0}{\overset{1}{}}}(a_i-b_i{)}^2.$