2022-04-13 12:53发布
解：令f(x)= 2x4 +7x3 -2x2 -13x+6=0
=x² (y+2)(2y-5)
令多项式f(x)=0,求出其根为x 1 ,x2 ,x3 ,„„x n ,则多项式可因式分解为
= (x² +2x+1) (2x² -5x+2)
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解：令f(x)= 2x4 +7x3 -2x2 -13x+6=0
=x² (y+2)(2y-5)
令多项式f(x)=0,求出其根为x 1 ,x2 ,x3 ,„„x n ,则多项式可因式分解为
= (x² +2x+1) (2x² -5x+2)
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