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Mathematics

If log (a + b) = log a + log b, find a in terms of b.

Logarithms

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Answer

Given,

⇒ log (a + b) = log a + log b

⇒ log (a + b) = log ab

⇒ a + b = ab

⇒ ab - a = b

⇒ a(b - 1) = b

⇒ a = bb1\dfrac{b}{b - 1}.

Hence, a = bb1\dfrac{b}{b - 1}.

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