Cali8791 Cali8791 27-05-2023 Mathematics contestada (1 point) Solve the problem PDE: Utt = 81UIT BC: u(0, t) = u(1, t) = 0 IC: u(x,0) = 8 sin(27x), u(x, t) = help (formulas) 00 u₁(x,0) = 3 sin(3πx)