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18-08-2021
Mathematics

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Bài 12: Cho đa thức M(x) = 4x + 2x -x2 - x + 2x2–x+1−3x
a) Sắp xếp đa thức trên theo lý thừa giảm dần của biến
b) Tính M(-1) và M(1) .
c) Chứng tỏ đa thức trên không có nghiệm
A(x) = -4x -x + 4x" +5x+7+4x – 6x?

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18-08-2021

Answer:

what?

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