ProblemFor the bProblemFor the bean shown below, where A is fixed supporn, B is roller support, C is roller support, and D S thee endFind the following$1.$ The unknown joint displacements$\mathrm{.}2.$ The support reactions.I$3.$ Then Arms shear force $($S$.$F$.$D$),$ and bending moment $($B$.$M$.$D$)$ diagrams. Using the stiffness methodNote Tut El is constant, E$-200$ GPa, $1-700$x $10$ mm$^26$ kN$/$m$9($kN$.$m$)$ABC$3($m$)3($m$)2$ean shown below, where A is fixed supporn, B is roller support, C is roller support, and D S thee endFind the following$1.$ The unknown joint displacements$\mathrm{.}2.$ The support reactions.I$3.$ Then Arms shear force $($S$.$F$.$D$),$ and bending moment $($B$.$M$.$D$)$ diagrams. Using the stiffness methodNote Tut El is constant, E$-200$ GPa, $1-700$x $10$ mm$^26$ kN$/$m$9($kN$.$m$)$ABC$3($m$)3($m$)2$