In the figures, shown below x, y and z are the deflection under A, B and C due to loads P and Q. x’, y’ and z’ are the deflection under A, B and C due to unit load at C. The deflection Z would equal to.
1
Px’ + Qy’
2
Px’ + Py’
3
Py’ + Qy’
4
Py’ + Qx’