lim_x-> 1 (x - 1)(x + 1)/(1 - rad_3(x)) =
= - lim_x->1 (1 - rad_3(x))(1 + rad_3(x) + rad_3(x^2))*(x + 1)/(1 - rad_3(x))
= - lim_x->1 (1 + rad_3(x) + rad_3(x^2)) * lim_x->1 (x + 1) =
= - (1+1+1)*(1+1) = -3*2 = -6.
Home
Profilo
Menu