solve -20 /(x^2 *ln^3 (x) ) -10 /(x^2 ln^2 (x) ) -10 / (x^2 * ln^3 (x) ) + 10 ln( ln(x) ) / (x^2 *ln^2 (x)) +20 ln (ln (x) ) / (x^2 *ln^3 (x) ) =0

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