Find the simplest value of $$\frac{{6.25 - 1.96}}{{1.1}}.$$

Solution (By Examveda Team)

$$\eqalign{ & \frac{{6.25 - 1.96}}{{1.1}} \cr & = \frac{{{{\left( {2.5} \right)}^2} - {{\left( {1.4} \right)}^2}}}{{\left( {1.1} \right)}} \cr & = \frac{{\left( {1.1} \right) \times 3.9}}{{\left( {1.1} \right)}} \cr & = 3.9{\text{ Answer}} \cr} $$