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find the solution of the initial value-boundry vaule problem 8uxx=ut 0<x<8 t>=0 u(0,t)=0 u(8,t) = 4...

find the solution of the initial value-boundry vaule problem 8uxx=ut 0<x<8 t>=0

u(0,t)=0 u(8,t) = 4

u(x,0) = x

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