A truss is shown in the given figure. The cross-sectional area of each member is 'A' and the modulus of elasticity of the material is E. The strain energy in the member XY is given by

A truss is shown in the given figure. The cross-sectional area of each

1.	A truss is shown in the given figure. The cross-sectional area of each member is 'A' and the modulus of elasticity of the material is E. The strain energy in the member XY is given by
A.	<i>P<sup>2</sup>L/2AE</i>
B.	<i>P<sup>2</sup>L/QAE</i>
C.	<i>P<sup>2</sup>L/3AE</i>
D.	zero
Answer» E.