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	Các bình luận về: Cho hàm số \(y = {x^3} &#8211; 4{x^2} + 3x &#8211; 3\) có đồ thị (C).Có bao nhiêu tiếp tuyến của đồ thị (C) song song với đường thẳng \(\Delta \): \(2x + y + 1 = 0\)?	</title>
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