BELOW IS THE QUESTION AND ANSWER I need the steps for the solution on how did they get these values Civil egineer

Draw the influence line for the force in $($a$)$ member $JI,($b$)$ member $IE,$ and $($c$)$ member $EF.$

SCl'ITINn

$F$

$C$

Ans.

$(F_{II}{)}_{\text{m}\text{a}\text{x}}=-1$

$(F_{IE}{)}_{\text{m}\text{a}\text{x}}=0\mathrm{.}667$

$(F_{EF}{)}_{\text{m}\text{a}\text{x}}=1$