Question: 2. (1.5 marks) Write down the solution u(x, t) of the diffusion equation with D = 1 on an infinite domain -x < x

2. (1.5 marks) Write down the solution u(x, t) of the diffusion equation with D = 1 on an infinite domain -x < x < + corresponding to the initial condition u(x,0)= = 0 x < -1 1-1 1 0 1

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