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数学题[(x^2+x-12)/(2-x-x^2)]^2*[(x^2-3x+2)/(x^2+5x+4)]^2/[(x^2-5x+6)/(x^2+3x+2)]^2

分类: 作业答案 • 2021-12-19 15:56:45
问题描述：

数学题[(x^2+x-12)/(2-x-x^2)]^2*[(x^2-3x+2)/(x^2+5x+4)]^2/[(x^2-5x+6)/(x^2+3x+2)]^2

答

[(x^2+x-12)/(2-x-x^2)]^2*[(x^2-3x+2)/(x^2+5x+4)]^2/[(x^2-5x+6)/(x^2+3x+2)]^2=[(x-3)(x+4)/-(x-2)(x+1)]^2*[(x-2)(x-1)/(x+1)(x+4)]^2/[(x-2)(x-3)/(x+1)(x+2)]^2={[(x-3)(x+4)/(x-2)(x+1)*[(x-2)(x-1)/(x+1)(x+...

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