lim的2x^2-3x+5除3x^2+2x+4,计算极限

问题描述:

lim的2x^2-3x+5除3x^2+2x+4,计算极限

x→+∞时,
lim[(2x²-3x+5)/(3x²+2x+4)]
=lim[(2-3/x +5/x²)(3+ 2/x +4/x²)]
=(2-0+0)/(3+0+0)
=2/3