Find ( int frac{x^2+1}{x^2-5x+6} dx ).

• A. x 5log|x-2| + 10log|x-3|+C
• B. x 3log|x-2| + 5log|x-3|+C
• C. x 10log|x-2| + 5log|x-3|+C
• D. x 5log|x-5| + 10log|x-10|+C