Evaluate (complex solution)
\gamma _{w}=\frac{S_{w}}{S_{s}}\text{ and }\frac{S_{w}}{S_{s}}=2
Solve for γ_w
\gamma _{w}=2
S_{w}=2S_{s}\text{ and }S_{s}\neq 0
Solve for S_w
S_{w}=2S_{s}
\gamma _{w}=2\text{ and }S_{s}\neq 0
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