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Question

If $P open parentheses 1 comma blank 1 close parentheses comma blank Q left parenthesis 3 comma blank 2 right parenthesis$ and $R$ is a point on $x$ -axis is, then the value of $P R plus R Q$ will be minimum at

$(\frac{5}{3}, 0)$
$(\frac{1}{3}, 0)$
(3)
(1, 0)

The correct answer is: $open parentheses fraction numerator 5 over denominator 3 end fraction comma 0 close parentheses$

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