Given that
$$P_E$$ = the crippling load given by Euler
$$P_C$$ = the loadat failure due to direct compression
$$P_R$$ = the load in accordance with the Rankine’s criterion of failure
Then $$P_R$$ is given by

A

$$\frac{(P_E + P_C)}{2}$$

B

$$\sqrt {P_E \times P_C}$$

C

$$\frac{P_C.P_E}{P_C + P_E}$$

D

None of the above