Question 65

If $$\log \left(\frac{a}{b}\right) + \log \left(\frac{b}{a}\right) = \log(a + b)$$, then which of the following statements is CORRECT?

Solution

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

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

log(a+b)=log 1

a+b=1


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