Question

Вычислить : 2Log9 6 - log9 4

Answer 1

$2log_{9}6 - log_{9} 4 = log_{9}6^{2} - log_{9} 4 = log_{9} \frac{6^{2} }{4} = log_{9} \frac{36}{4} = log_{9} 9 = 1$