Question:medium

Suppose $a, b, c$ are positive real numbers such that $2^a = 3^b = 6^{-c}$. Then $\frac{ab + bc + ca}{abc} =$ ?

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Use $\ln(ab)=\ln a+\ln b$ to simplify logarithmic expressions quickly.
Updated On: Apr 23, 2026
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The Correct Option is A

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