Please see the attached file for the fully formatted problems.
The components of the strain tensor are:
(5 3 0
3 4 -1 ....... x 10^-4
0 -1 2)
What is the elongation in the (2, 2, 1) direction?
What is the change of angle between two perpendicular lines (in the undeformed state) in the directions (2, 2, 1) and (3, 0, 6)?