$9\mathrm{.}6$ For the heam and loading shown, determine $(a)$ the equation of the elastic curve for partion $BC$ of the heam. $($b$)$ the deflection at midspan, $($c$)$ the slope at $B.$

$9\mathrm{.}6($a$)y=u\frac{L\frac{x^3}{10}-\frac{x^3}{24}-L^2\frac{x^2}{20}-I^{\text{'}}+120}{E}$I.

Ans.

$($b$)13w\frac{L^4}{1920}$Eldarr. $($c$)w\frac{L^3}{120}EI$ &