83) Consider the steady state temperature problem DE : Text Tyy = 0, x> 0, y>0 BC : T(0, y) = 1, T(x, 0) = 0 a. Use the mapping w = Log z to map the first quadrant onto a horizontal strip and state the new boundary conditions b. Solve the related problem and use the fact that Im Log z = arctan to solve the original problem c. Find and describe the isotherms and lines of flow86) Solve the steady state temperature problem DE : Tex + Tyy =0, 00 BC : T(0, y) = 1, T(7/2, y) = 0; T(x, 0) = 0 By applying an appropriate transformation and using the result of problem 83