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ongnoiyou.no1
2 năm trước
cho đa thức P(x)=x^3-2x^2+x-1/2.Tìm các đa thức Q(x ),H(x),R(x) sao cho : a, P(x)+Q(x)+x^4-2x^2+1 b, P(x)-H(x)=x^3+x^2+2 c, R(x)-P(x)=2x^3-x giúp vs ạ cần gấp
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