The solution set of the equation $pq{x^2} - {(p + q)^2}x + {(p + q)^2} = 0$ is
The solution set of the equation $pq{x^2} - {(p + q)^2}x + {(p + q)^2} = 0$ is
- A
$\left\{ {\frac{p}{q},\,\frac{q}{p}} \right\}$
- B
$\left\{ {pq,\,\frac{p}{q}} \right\}$
- C
$\left\{ {\frac{q}{p},\,pq} \right\}$
- D
$\left\{ {\frac{{p + q}}{p},\,\frac{{p + q}}{q}} \right\}$
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- [JEE MAIN 2019]