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
答
(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