Let u be a solution of the heat equation U, –u = 0 u(0,1)= u(7,t)=0 ; u(x,0)= sin x+sin 2x ; 00 %3D ; t>0 Then. 1: (a) u(x,t)→0 as t→o for all xe (0,7) (b) t'u(x,t)→0 as t→ 0 for all x e (0,7) (c) e'u(x,t) is a bounded function for xe (0, 7),t >0 (d) e'u(x,t)→0 'as t→o for all xe(0,7) 6.

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A: That's easy. Thumb up. Have a good day!!! We use Milne Thomsan's theorem

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