For a rectangular element shown in the figure, displacements at four nodes are given by \(\left\{u_{1}, v_{1}, u_{2}, v_{2}, u_{3}, v_{3}, u_{4}, v_{4}ight\}=\{0.0,0.0,1.0,0.0,2.0,1.0,0.0,2.0\}\). Calculate displacement \((u, v)\) and strain \(\varepsilon_{X x}\) at point \((x, y)=(2,1)\).

y 4(0,2) (3)(3.2) (0,0) (3,0) X