\textbf{116-} The smallest positive root of the equation $x^2 - 3x + 1 = 0$ lies in which interval?
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(1) $\left(0, \dfrac{1}{2}\right)$ \hfill (2) $\left(\dfrac{1}{2}, \dfrac{2}{3}\right)$ \hfill (3) $\left(\dfrac{1}{3}, \dfrac{2}{5}\right)$ \hfill (4) $\left(\dfrac{2}{5}, \dfrac{1}{2}\right)$
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\textbf{Mathematics \hfill 120-A \hfill Page 4}
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