1) (5x^2 + 2)/(6x^3), (1 - 2x)/(3x^3)2) (4y(2x - u))/((x + 3y)(2x - u)), 3x/2(x - y)3) 2x/(2x - y), 1/(4x^2 - y^2), 3/(4x^2 - 4xy + y^2)
1) (5x^2 + 2)/(6x^3), (1 - 2x)/(3x^3)
2) (4y(2x - u))/((x + 3y)(2x - u)), 3x/2(x - y)
3) 2x/(2x - y), 1/(4x^2 - y^2), 3/(4x^2 - 4xy + y^2)