Say True or False : <br>$3$ is a root of the equation <br>$\sqrt{x^2-4x+3}+\sqrt{x^2-9}=\sqrt{4x^2-14x+16}$

Question

$\begin{array}{1 1}(A) \; \text{True}\\(B)\;\text{False} \\(C)\;\text{Cannot be determined} \end{array}$