多项式8x2n-4xn的公因式是( )A.4xnB.2xn-1C.4xn-1D.2xn-1
题型:单选题难度:简单来源:不详
多项式8x2n-4xn的公因式是( )A.4xn | B.2xn-1 | C.4xn-1 | D.2xn-1 |
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答案
8x2n-4xn=4xn(2xn-1), ∴4xn是公因式. 故选A. |
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