w6⁢(z)=Γ⁡(1-c)⁢Γ⁡(b-a+1)Γ⁡(b-c+1)⁢Γ⁡(1-a)⁢w1⁢(z)+ⅇ(c-1)⁢π⁢ⅈ⁢Γ⁡(c-1)⁢Γ⁡(b-a+1)Γ⁡(b)⁢Γ⁡(c-a)⁢w2⁢(z).