1981 AHSME Problems/Problem 15

Problem

If $b>1$ , $x>0$ , and $(2x)^{\log_b 2}-(3x)^{\log_b 3}=0$ , then $x$ is

$\textbf{(A)}\ \dfrac{1}{216}\qquad\textbf{(B)}\ \dfrac{1}{6}\qquad\textbf{(C)}\ 1\qquad\textbf{(D)}\ 6\qquad\textbf{(E)}\ \text{not uniquely determined}$

Solution

$\boxed {B}$

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1981 AHSME Problems/Problem 15

Problem

Solution