Question 1115185
Multiply the whole equation by x^2-1
2(x-1)+4=x^2-1
x^2-2x-3=0
(x+1)(x-3)=0
x=-1, 3
But x=-1 leads to a denominator of 0 in both fractions so extraneous.  
x=3; (2/4)+(4/8)=1
1 solution
B