lim(x→∞)=(7x³-x²+3)/(6x²+5x+2)=?
极限lim x→+∞ √(3x²+7)/(2x+1)=?
lim.2x³-x²+9 ------ x→∞ 3x³+1
求极限 lim [(3+x)/(6+x)]^[(x-1)/2]= x→∞
求极限(1) lim(x→2)(3x²-2x-1)/(2x³-x²+5)(2)lim(x→
lim(x→∞)[(a x^2)/x+1]+bx=lim(x→∞)(a x^2)+bx(x+1) / x+1=lim(x
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?
lim(√(4x²-8x+5)+2x+1),x→-∞怎么解?
lim(x→-∞)[(√(x+2)(x+5))+x]=__.
lim x→+∞ xe^(-x)=?
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?