If log a/b + log b/a = log (a + b), then:

If log a/b + log b/a = log (a + b), then:

A a + b = 1

B a - b = 1

C a = b

D a2 - b2 = 1

Solution

Correct Answer: Option A

Log a/b + log b/a = log (a + b)

=> log (a + b) = log (a/b x b/a)

= log 1.

So, a + b = 1.