Question

3 log 5 √125?????????????

Answer 1

Resposta:

$3 log_{5}( \sqrt{125} ) = \\ 3 log_{5}( {125}^{1 \div 2} ) = \\( 1 \div 2) \times 3 log_{5}(125) = \\ 3 \div 2 log_{5}( {5}^{3} ) = \\ (3 \div 2) \times 3 = \\ 9 \div 2 = 4.5$