Solve the seperable differential equation

5yy=x.\displaystyle {5}{y}{y}'={x}.

Use the following initial condition: y(5)=11\displaystyle {y}{\left({5}\right)}={11}.

Express x2\displaystyle {x}^{{2}} in terms of y\displaystyle {y}.

x2=\displaystyle {x}^{{2}}=   (function of y).