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mmt1892000
2 năm trước
giải hộ mk bài này với mn cho 2 đa thức M(x)=-2x^4-3x^2-7x-2 và N(x)=3x^2+4x-5+2x^4 a.Tính P(x)=M(x)+N(x),rồi tìm nghiệm của đa thức P(x) b.Tìm đa thức Q(x) sao cho :Q(x)+M(x)=N(x).
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