Question

se log₄x+log₄y=3 enquento o valor do produto e( x y) ?

Answer 1

$log_{b}(a)=c\rightleftharpoons b^{c}=a$
$log_{x}(a)+log_{x}(b)\rightleftharpoons log_{x}(a*b)$
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$log_{4}(x)+log_{4}(y)=3\\log_{4}(x*y)=3\\4^{3}=x*y\\x*y=64$