Thu gọn và sắp xếp hai đa thức theo lũy thừa giảm dần của biến
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----- Nội dung dịch tự động từ ảnh -----
Câu 1(2,5đ): Cho hai đa thức f(x) = 4 +3x2 – x - 2x² và g(x) = 3x + 3 –x-x²
a, Thu gọn và sắp xếp hai đa thức theo lũy thừa giảm dần của biến.
b, Tính f(x) + g(x); f(x)- g(x)
c, Tìm nghiệm của đa thức f(x) - g(x)
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body input[type='reset'],
body input[type='submit'],
body [role="button"],
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::-webkit-file-upload-button,
body .sweezy-custom-cursor-hover {
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----- Nội dung dịch tự động từ ảnh -----
Câu 1(2,5đ): Cho hai đa thức f(x) = 4 +3x2 – x - 2x² và g(x) = 3x + 3 –x-x²
a, Thu gọn và sắp xếp hai đa thức theo lũy thừa giảm dần của biến.
b, Tính f(x) + g(x); f(x)- g(x)
c, Tìm nghiệm của đa thức f(x) - g(x)