Lim(x→4)(x²-6x+8)/(x²-5x+4)=?
lim(√(4x²-8x+5)+2x+1),x→-∞怎么解?
求极限:lim(x->4)(x^2-6x+8)/(x^2-5x+4)
求极限lim x→∞ [(2x+1)^4(x-1)^6-5x(x^8+8)]/(x+2)^10=?用
lim(x→∞)[(X^2+2x+5)/(4x^2-x+1) =(1+2/x+5/x^2)/(4-1/x+1/x^2)=
lim(x→∞)(根号4x²-3x+2)/2x等于多少?
求极根lim(x→2) x^2-5x+6/x^2+2x-8
计算极限lim(lim下面是x→2)x^2-4/x^2-6x+8
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
计算下列极限lim(x→0)(x^2-6x+8)/(x^2-5x+4)不好意思,提抄错了lim(x→4)(x^2-6x+
求极限 lim(x→∞)5x/(x-4) 求极限 lim(x→-∞)[(√1-x)-3]
x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=?
求极限:lim(x→1)根号5x-4-根号x/x-1