计算下列函数的极限 lim/x→2 (x-2)/(x^2-4) lim/x→∞ (6x^4-7x^3+2)/(2x^4+6x^2-1 )求友友,
问题描述:
计算下列函数的极限 lim/x→2 (x-2)/(x^2-4) lim/x→∞ (6x^4-7x^3+2)/(2x^4+6x^2-1 )
求友友,
答
1/4 3
答
lim/x→2 (x-2)/(x^2-4)=lim/x→2 1/(x+2)=1/4
lim/x→∞ (6x^4-7x^3+2)/(2x^4+6x^2-1 )=3
答
lim/x→2 (x-2)/(x^2-4)=lim/x→2 1/(x+2)=1/4
lim/x→∞ (6x^4-7x^3+2)/(2x^4+6x^2-1 )=6/2=3