Let S = { $x$ $ \in $ R : $x$ $ \ge $ 0 and $2\left| {\sqrt x - 3} \right| + \sqrt x \left( {\sqrt x - 6} \right) + 6 = 0$}. Then S

Question

Let S = { $x$ $ \in $ R : $x$ $ \ge $ 0 and

$2\left| {\sqrt x - 3} \right| + \sqrt x \left( {\sqrt x - 6} \right) + 6 = 0$}. Then S

contains exactly four elements

is an empty set

contains exactly one element

contains exactly two elements

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