Question

lim(x²-5x+6)/x-2=?
x->2

Answer 1

$x^2-5x+6=(x-2)(x-3)\ left { {{x_1*x_2=6} atop {x_1+x_2=5}} right.= textgreater left { {{x_1=2} atop {x_2=3}} right.\\ lim_{x to 2} frac{x^2-5x+6}{x-2}= lim_{x to2} frac{(x-2)(x-3)}{x-2}= lim_{x to2} (x-3)= 2-3=-1$

Answer 2

Красавчик(ца) Суперррр!!!!!