Question

Sendo log x=3 e log y=6, qual o valor logx⁴ + log x³ + log y⁵?

Answer 1

$log(a {}^{b} ) = b. log(a) \\ \\ log(x {}^{4} ) + log(x {}^{3} ) + log(y {}^{5} ) \\ \\ 4 log(x) + 3 log(x) + 5 log_{}(y) \\ \\ 7 log(x) + 5 log(y) \\ \\ 21 + 30 \\ \\ 51$