求该函数的极限 limx→-1 4x²-3x+/2x²-6x+4limx→-1 4x²-3x+/2x²-6x+4RT

求该函数的极限 limx→-1 4x²-3x+/2x²-6x+4limx→-1 4x²-3x+/2x²-6x+4RT
求该函数的极限 limx→-1 4x²-3x+/2x²-6x+4
limx→-1 4x²-3x+/2x²-6x+4
RT

求该函数的极限 limx→-1 4x²-3x+/2x²-6x+4limx→-1 4x²-3x+/2x²-6x+4RT
如果是趋于 -1,直接把 -1代入即可
如果是趋于1
lim(x→1) (4x²-3x-1) / (2x²-6x+4)
= lim(x→1) (x-1)(4x+1) / [ 2(x-1)(x-2) ]
= lim(x→1) (4x+1) / [ 2(x-2) ]
= - 5/2
懂了请采纳o(∩_∩)o