Cho a, b, c là 3 số thực dương và khác 1....
Câu hỏi: Cho a, b, c là 3 số thực dương và khác 1. Đồ thị các hàm số \(y = {\log _a}x,\,\,\,y = {\log _b}x,\,\,y = {\log _c}x\) được cho trong hình vẽ bên. Mệnh đề nào dưới đây đúng? 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)
A \(c < b < a.\)
B \(b < c < a.\)
C \(a < b < c.\)
D \(c < a < b.\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán trường THPT Lương Văn Tụy - Ninh Bình - lần 1 - năm 2018 (có lời giải chi tiết)