Questão 3551617

\(4\left(\frac{L}{3}-\frac{x^2}{L}\right)\)

\(4\left(\frac{3L}{5}\ -\ \frac{x^2}{3L}\right)\)

\(3\left(\frac{L}{5}-\frac{2x^2}{2L}\right)\)

\(5\left(\frac{L^2}{3}-\frac{x}{3L}\right)\)