Find a/b when 2*log(a - b) = log(a) + log(b).
2log ( a -b) = log a + log b
log ( a - b)^2 = log ( ab)
Implies that
(a - b)^2 = ab
a^2 - 2ab + b^2 = ab
a^2 + b^2 = 3ab divide through by ab
a/b + b/a = 3
a / b = 3 - b/a
