Question

ECUACIONES LOGARITMICAS
2 log (x - 1)=0

Answer 1

${x}^{0} = 1$

Answer 2

$2 \: log \: (x - 1) = 0 \\ log \: (x - 1) = 0 \div 2 \\ log \: (x - 1) = 0 \\ {10}^{0} = x - 1 \\ 1 = x - 1 \\1 + 1 = x \\ 2 = x \\ x = 2$