1.

If $${\log _a}\left( {ab} \right) = x{\text{,}}\,$$then $${\log _b}\left( {ab} \right)$$is -

A. $\frac{1}{x}$$
B. $\frac{x}{{x + 1}}$$
C. $\frac{x}{{1 - x}}$$
D. $\frac{x}{{x - 1}}$$
Answer» E.


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