Question

Resolver y hallar x en:
log(x+1)=log(x-1)+3

Answer 1

Log(x+1) - log(x-1) = 3

Por propiedad de logaritmos

Log (x+1) / log(x-1) = 3
X+1/x-1 = 10^3
X+1/x-1 = 1000
X+1 = 1000(x-1)
X+1 = 1000x - 1000
X - 1000x = -1000 -1
-999x = -1001
X = 1001/999 con x e (1,+infinito)