Solve for W, P, Δ, V (complex solution)
W=PV\Delta
P\in \mathrm{C}
\Delta \in \mathrm{C}
V\in \mathrm{C}
Solve for W, P, Δ, V
W=PV\Delta
P\in \mathrm{R}
\Delta \in \mathrm{R}
V\in \mathrm{R}
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