Question

log (x2) - log x = 2

Answer 1

Explicación paso a paso:

log (x²) - log x = 2

log (a) - log (b) = log (a/b)

log (x²/x) = 2

log (x ^2 - 1) = 2

log x(a) = b es igual: a = x ^b

log (x) = 2

x = 10²

x = 100