I. Determine if the following differential equations are either ODE or PDE. 1. Ay"+ By' + Cy= g(t) d²y 2. cos(y) dx2 (1-y) dx dy -5y 3. y(4) + 10y" – 4y’ + 2y = cos(t) 8²u 4. 8x2 82u 8²u = 0 Sz2 Sy2

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A: Topic = Differential equation

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