Q$-3)$ For the frame system shown in the figure; $($a$)$ Show the degree of indeterminacy, $($b$)$ Determine the support reactions, $($c$)$ Drive the $N(x),V(x)$ and $M(x)$ internal forces as functions of $x,($d$)$ Draw the $N,V$ and $M$ diagrams with the calculated values for the structural system.