# Solve this following

Question:

Mark $(\sqrt{)}$ against the correct answer in each of the following:

A. $\log \left|(x-3)+\sqrt{x^{2}-6 x+8}\right|+C$

B. $\log \left|x+\sqrt{x^{2}-6 x+8}\right|+C$

C. $\log \left|(x-3)-\sqrt{x^{2}-6 x+8}\right|+C$

D. none of these

Solution: