The forces in members $$'abc'$$ in the truss shown

A single bay single storey portal frame has a hinged left support and a fixed right support. It is loaded with $$u.d.l$$ on the beam. Which one of the following statements is true with regard to the deformation of the frame

The number of simultaneous equations to be solved in the slope deflection method is equal to

The magnitude of the bending Moment at the fixed support of the beam is equal to