The length of a rod under longitudinal tension T1 is L1 and that under longitudinal tension T2 is L2 What is the actual length of the rod in the absence of tensions?
1
\(\frac{{L_1T_1 - L_2T_2}}{{T_2 - T_1}}\)
2
\(\frac{{L_1T_2 - L_2T_1}}{{T_2 + T_1}}\)
3
\(\frac{{L_1T_1 - L_2T_2}}{{T_2 + T_1}}\)
4
\(\frac{{L_1T_2 - L_2T_1}}{{T_2 - T_1}}\)