Answer Happy

Problem 6. Making the change of variable z, show that the
solution takes the form ...
(problem 5 with solution provided for reference)
S. Given U = a-, 0<r<, B.C.: w (0, 1) = -f(t), (x, 1) +0 as x → I.C.: 1(x, 0) = 0, 0<x< , show that ? (, ) - Tom I exp[-teman + | ulx, 1) = dT. VA 4a'(t-1) 6. By making the change of variable z = x/2a VI - 1, show that the solution in Problem 5 takes the form (x) ulk, 1) - Fone Secretle ????**. - x?4a+z+)z-*e-7 dz.