Given:
The equation is:
[tex]\sqrt{x}=12[/tex]
To find:
The number of solutions.
Solution:
We have,
[tex]\sqrt{x}=12[/tex]
Taking square on both sides, we get
[tex](\sqrt{x})^2=12^2[/tex]
[tex]x=144[/tex]
Therefore, the given equation equation has exactly one solution, i.e., 144.
