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题函数y=logax(0a1).若存在实数mn0,使得x∈[n,m]时,函数的值域为[n,m],试求实数a的取值范围·(注命题人对第一位正确、完整解答者授予奖金50元.)有奖解题擂台(93)@刘飞才$江西省贵溪第一中学!邮编:335400
The function y=logax(0a1). If there is a real number mn0, and x∈[n,m], the range of the function is [n,m]. Try to find the range of the real number a. A correct and complete solver grants a bonus of 50 yuan.) There is a prize for solving the problem (93) @ Liu Feicai $ Guixi First High School! Zip Code: 335400