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2-u-t-2-4-2-u-x-2-u-t-0-sin-x-u-t-t-0-x-




Question Number 181435 by SEKRET last updated on 25/Nov/22
   ((𝛅^2 u)/(𝛅t^2 )) = 4 ((𝛅^2 u)/(𝛅x^2 ))   ;  u∣_(t=0) =sin(x)   ;   ((𝛅u)/(𝛅t))∣_(t=0) =x
δ2uδt2=4δ2uδx2;ut=0=sin(x);δuδtt=0=x

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