Bi?t \( \mathrm{M}(1 ; 9) \) và \( (3 ; 5) \) là hai ?i?m c?c tr? c?a ?? th? hàm s? \( \mathrm{y}=\mathrm{ax} \mathrm{x}^{3}+\mathrm{bx} \mathrm{x}^{2}+\mathrm{cx}+\mathrm{d} \). T?nh giá tr? c?a \( \mathbf{y}(-2) \).
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\[ y' = 3ax^2 + 2bx + c \] Show more…
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