Question 35451
(r^2-5r+6)/(r^2-4)
((r-3)(r-2))/((r-2)(r+2)) first, you simplify
Now, think about this. 1/1=1 and 2/2=1 and x/x=1 and (x-1)/(x-1)=1 ....
((r-3)(r-2))/((r-2)(r+2))
1(r-3)/(r+2)
so .... the answer is (A)