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Câu 29:

Các khoảng đồng biến của hàm số $y = {x^3} + 3x$

Câu 29: Các khoảng đồng biến của hàm số y=x3+3xy = {x^3} + 3xy=x3+3x là

Thông tin câu hỏi

Câu 29:

Các khoảng đồng biến của hàm số $y = {x^3} + 3x$ là