An analogous expression holds forp(z)

General solution forΓ(R) Solving{Γ, R}=Cyields three projectively inequivalent families: Γ(R) =    α+βR γ+δR , C= 0, αeµR +βe −µR γeµR +δe −µR , C=−2µ 2 <0, αcos(µ