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Câu 19:

Cho hàm số $f(x)$

Câu 19: Cho hàm số f(x)f(x)f(x) liên tục trên [a;b]\left[ {a;b} \right][a;b]. Hãy chọn mệnh đề sai dưới đây:

Thông tin câu hỏi

Câu 19:

Cho hàm số $f(x)$ liên tục trên $\left[ {a;b} \right]$ . Hãy chọn mệnh đề sai dưới đây: