Solve this following
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 $\mathrm{S}$ :

1. contains exactly one element.

2. contains exactly two elements.

3. contains exactly four elements.

4. is an empty set.

Correct Option: , 2

Solution: