`(x^2-5x-6)/(x^2+3x+2)`

Express each of the following as a rational expressions. (x^2-5x+6)/(x^2-9x+20) div( x^2-3x+2)/(x^2-5x+4) :

1/(x^2-3x+2)+1/(x^2-5x+6)+1/(x^2-4x+3)

What is (x^2-3x+2)/(x^2-5x+6) div (x^2-5x+4)/(x^2-7x+12) equal to

Evaluate the following limits : Lim_(x to 2) (x^(2) +5x+6)/(2x^(2) -3x)

Express each of the following as a rational expression. (x^(2)-5x+6)/(x^(2)-9x+20)+(x^(2)-3x+2)/(x^(2)-5x+4):

sqrt(((x^2 + 3x + 2)(x^2 + 5x + 6))/(x^2 (x^2 + 4x+ 3))) is equal to :

lim_(x rarr0)(3x^(2)+5x-1)/(x^(2)+2x+6)

Evaluate Lt_(x to 3) (x^3 - 3x^2)/(x^2 - 5x + 6)