Answer Happy

4. By using separation of variables, show that the solution for the follow- ing heat equation with mixed boundary condition is given by du Fu Ət 0<x<1, t> 0. u(0,1)=0, u₂(1,1)=0, t>0, u(x,0)=1, 0<x< 1, u(x, t) = n=1 4 (2n-1) sin (2n-1)-(2-1²² 2