Question

S = 4v sqaured

Answer 1

If you have to solve for v,

\(\Large \color{Black}{\Rightarrow s = 4v^2 }\)

\(\Large \color{Black}{\Rightarrow {s \over 4} = v^2 }\)

\(\Large \color{Black}{\Rightarrow v = \sqrt{s \over 4} = \pm{\sqrt{s} \over 2} }\)

Answer 2

\(\Large \color{Black}{\Rightarrow v = \pm{\sqrt{s} \over 2}}\)