Question

Determine "x" nas iqualdades: A) log 2 64=x, B) log x 126=3, 2=log x625, D) log x=0

Answer 1

$a)log_{2} 64} = log_{2} 2^{6} = 6 b) log_{x} 126 =3 x^{3} = 126 x= \sqrt[3]{126} x= 5 c) 2= log_{x} 625 x^{2} =625 x = \sqrt{625} = 25 d) log x =0 10^{0} = x x= 1$