If a > 0 and a is not equal to 1, f (x) = alg (x2-2a + 1) has a minimum, then the solution set of inequality a is?

Before solving this problem, we need to understand some knowledge of logarithmic function: 1. If a ^ y = x (a > 0, and a ≠ 1), then the function y = loga x is called "the logarithm of X with a as the base equals y, y = loga x is called logarithmic function

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