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一、考查对数函数的定义域求对数函数的定义域,一般是利用对数的真数为正且底数大于零而不为1这一性质.如果是对数函数和其它函数复合的函数,
First, examine the definition of the logarithm function domain. Find the domain of the logarithmic function, generally using the logarithm of the positive number is positive and the base number is greater than zero instead of 1 this property. If it is a logarithmic function and other function complex function ,