If a member is subjected to tensile stress of px, compressive stress of py and tensile stress of pz along the x, y and z directions respectively, then the resultant strain 'ex' along the 'x' direction would be (E is Young's modulus of elasticity, is Poisson's ratio)

If a member is subjected to tensile stress of px, compressive stress o

1.	If a member is subjected to tensile stress of px, compressive stress of py and tensile stress of pz along the x, y and z directions respectively, then the resultant strain 'ex' along the 'x' direction would be (E is Young's modulus of elasticity, is Poisson's ratio)
A.	<img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-852-1.png">
B.	<img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-852-2.png">
C.	<img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-852-3.png">
D.	<img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-852-4.png">
Answer» E.