Log2 x 1 log 3 x. Log2(7^-x^2 -5)(7^-x^2-4-1))+log2. 1 log2 x 1 log2 7x 2 log2 x-1. log5(√x2-7x+5)>log15(5√x2-7x+√x+3+2)+1. log(13)(log(5)(log(2)(7x-3)x-4).

Log2 x 1 log 3 x. Log2(7^-x^2 -5)(7^-x^2-4-1))+log2. 1 log2 x 1 log2 7x 2 log2 x-1. log5(√x2-7x+5)>log15(5√x2-7x+√x+3+2)+1. log(13)(log(5)(log(2)(7x-3)x-4).
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