$$ \begin{align*} \textbf{Find the value of } \\&\ \left( §§V2(1,10,2)§§ a-b\right)^2 + \left(b- §§V0(2,20,2)§§ \right)^2 + \left( - §§V1(2,20,2)§§ c - §§V2(1,10,2)§§ \right)^2 = 0 \\&\ \left( §§V5(1,10,2)§§ a-b\right)^2 + \left(b- §§V6(2,20,2)§§ \right)^2 + \left( - §§V7(2,20,2)§§ c - §§V8(1,10,2)§§ \right)^2 = 0 \\&\ \left( §§V9(1,10,2)§§ a-b\right)^2 + \left(b- §§V4(2,20,2)§§ \right)^2 + \left( - §§V8(2,20,2)§§ c - §§V8(1,10,2)§§ \right)^2 = 0 \\&\ \text { where a, b and c are real numbers. } \\&\ \end{align*} $$