Question: Let $\mathrm{S}=\{\mathrm{x} \in \mathrm{R}: \mathrm{x} \geq 0$ and $2|\sqrt{\mathrm{x}}-3|+\sqrt{\mathrm{x}}(\sqrt{\mathrm{x}}-6)+6=0\}$. Then $\mathrm{S}$ :
contains exactly one element.
contains exactly two elements.
contains exactly four elements.
is an empty set.
Correct Option: , 2
Solution:
