The equivalent function of $\log x^2$ is…………

2
As log x is defined for only positive values of x. But log $x^2$  defined for all non zero values of x.  Also  $\log \left|x\right|$ is defined $\forall$  non – zero real x. Hence  $\log x^2$ $2\log \left|x\right|$are identical functions.