如果多项式x﹙³+¹﹚-(a-1)x³+3x²-(b+1)x-1不含x³和x项,则a=( )b=( ).
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![如果多项式x﹙³+¹﹚-(a-1)x³+3x²-(b+1)x-1不含x³和x项,则a=( )b=( ).](/uploads/image/z/3818309-5-9.jpg?t=%E5%A6%82%E6%9E%9C%E5%A4%9A%E9%A1%B9%E5%BC%8Fx%EF%B9%99%26%23179%3B%EF%BC%8B%26%23185%3B%EF%B9%9A-%28a-1%29x%26%23179%3B%2B3x%26%23178%3B-%28b%2B1%29x-1%E4%B8%8D%E5%90%ABx%26%23179%3B%E5%92%8Cx%E9%A1%B9%2C%E5%88%99a%3D%28+%29b%3D%28+%29.)
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如果多项式x﹙³+¹﹚-(a-1)x³+3x²-(b+1)x-1不含x³和x项,则a=( )b=( ).
如果多项式x﹙³+¹﹚-(a-1)x³+3x²-(b+1)x-1不含x³和x项,则a=( )b=( ).
如果多项式x﹙³+¹﹚-(a-1)x³+3x²-(b+1)x-1不含x³和x项,则a=( )b=( ).
根据题意知道 a-1=0,a=1
b+1=0,b= - 1