Prob. $7\mathrm{.}5-3.$ For the beam shown in Fig. P$7\mathrm{.}5-3,($a$)$ deter$-$

mine discontinuity$-$function expressions for the slope $(x)$

and the deflection $v(x)$ for $0xL$; and $($b$)$ evaluate the

displacement at points $B$ and $C.$Prob. $7\mathrm{.}5-3.$ For the beam shown in Fig. P$7\mathrm{.}5-3,($a$)$ deter$-$

mine discontinuity$-$function expressions for the slope $($x$)$

and the deflection y$($x$)$ for $0$ x L; and $($b$)$ evaluate the

displacement at points B and C$.$