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quynhnhu.aa97
2 năm trước
giúp em với ạ em xin hứa 5sao và trả lời hay nhất cho ai trình bày dễ hiểu ạ , mong các anh chị thương tình giúp :3 1/cho đa thức : M(x)=x ²+1.chứng tỏ M(x) không có nghiệm 2/cho 2 đa thức : A(x)=2x ³-4x ²+8x-1 B(x)=-4x ²+2x ³+5+10x câu hỏi : tìm nghiệm cùa A(x)-B(x)
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