make U the subject of the formula S = \(\sqrt{\frac{6}{u} - \frac{w}{2}}\)

• A.u = \(\frac{12}{2s^2}\)
• B.u = \(\frac{12}{2s+ w}\)
• C.u = \(\frac{12}{2s^2 + w}\)
• D.u = \(\frac{12}{2s^2}\) + w
• E.