Question

Срочно 2^log2x = log_3 81

Answer 1

${2}^{ log_{2}(x) } = log_{3}(81) \\ x = log_{3}(81) \\ x = log_{3}( {3}^{4} ) \\ x = 4 log_{3}(3) \\ x = 4$

Ответ: 4