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Q.3 (12 points) Determine whether the following second order PDEs are parabolic, hyperbolic or elliptic: (a). Uxx = Wy (b). Uxx = 2uyy (c). Uxx

Q.3 (12 points) Determine whether the following second order PDEs are parabolic, hyperbolic or elliptic: (a). Uxx = Wy (b). Uxx = 2uyy (c). Uxx + 2lyy + 3ulxy + 2ux + 3uly = 4x3u

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