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$$\begin{gathered} 10. \mathrm{Form} \mathrm{the} \mathrm{differential} \mathrm{equation} \mathrm{corresponding} \mathrm{to} \mathrm{the} \mathrm{function} \\ \mathrm{y}=\mathrm{c}{\left[\mathrm{x}-\mathrm{c}\right]}^2 \end{gathered}$$