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trangvnshin
2 năm trước
Cho 2 đa thức P( x) = 8x^3 + 2x^2 - 3x + 4 và Q ( x) = x^3 - 2x +3 -x^2 A) sắp xắp cácđa thức P( x) ; Q( x) theo lũy thừa của biến B) Tìm các da thức M ( x) ; N ( x) sao cho : M ( x) = P ( x) + Q ( x) ; N ( x) = P ( x) - Q ( x)
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