lim (2x^2-3x+4)/(x^3+4x^2+6) x→无穷 的极限
lim (2x^2-3x+4)/(x^3+4x^2+6) x→无穷 的极限
求lim(x^2+2x)/(x^3-3x+2),x→无穷的极限
求极限:lim(x→无穷)(2-x/3-x)的x+2次方
求lim(x→正无穷){√(x^2+4)-2/x}的极限
求lim(x趋近无穷)(2x^3-3x+6)的极限?
求lim(x-正无穷)2x^2-3x-4/根号下x^4+1的极限
lim(x趋向无穷)根号(4x^2-x+1)-2X的极限
lim(x→∞)(x^2+x)/(x^4-3x-1)的极限
lim(2x+3/2x+1)6x次方 x趋向无穷 求极限
求极限 lim (3x^2-2x 4)(3-2cos3x)/x^3 5x 2 x趋近无穷
计算极限lim (x->1)[(x^2=3x-4)/x^2-1)] lim (x->正无穷)[(1+1/2x)^3x]
求极限,lim x→0 sin(x-2)÷x平方-4 lim x→正无穷(1+1÷3x) limx→...