化简(x3-2x2-5x+6)/(x-1)微积分求导数的题
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化简(x3-2x2-5x+6)/(x-1)微积分求导数的题化简(x3-2x2-5x+6)/(x-1)微积分求导数的题化简(x3-2x2-5x+6)/(x-1)微积分求导数的题(x³-2x
化简(x3-2x2-5x+6)/(x-1)微积分求导数的题
化简(x3-2x2-5x+6)/(x-1)
微积分求导数的题
化简(x3-2x2-5x+6)/(x-1)微积分求导数的题
(x³-2x²-5x+6)/(x-1)
=[x²(x-1)-x²-5x+6]/(x-1)
=[x²(x-1)-x(x-1)-6x+6]/(x-1)
=[x²(x-1)-x(x-1)-6(x-1)]/(x-1)
=[(x-1)(x²-x-6)]/(x-1)
=x²-x-6
原式=x^2-x-6
=(x-1)(X2-x-6)=(x-1)(x-3)(x+2)
因式分解(1+x+x2+x3)2-x3
1.证明(8-7x-6x2+x3)+(x3+5x2+4x-1)-(-x2-3x+2x3-3)的值与x无关.快,
求证:无论X取何值下列(8-7X-6X2+X3)+(X3+5X2+4X-1)-(-X2-3X+2X3-3)结果不变
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