lim (9x^2+3x-2)/(9x^2-1) x→1/3 极限

问题描述:

lim (9x^2+3x-2)/(9x^2-1) x→1/3 极限

(9x^2+3x-2)/(9x^2-1)=(3x-1)(3x+2)/(3x-1)(3x+1)=(3x+2)/(3x+1)
lim (9x^2+3x-2)/(9x^2-1) x→1/3=3/2