Determine the equation of the elastic curve for the beam using the $z_3$ coordinate. $z_1$ is constant.
Express your answer in terms of the variables $P$, $E$, $I$, $L$, and $z_3$.
$v_3 = \frac{-PL^3}{8EI}$
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The correct answer involves the variable $x_3$, which was not part of your answer
Specify the beam's maximum deflection.
Express your answer in terms of the variables $P$, $E$, $I$, and $L$.