Question 2. Find all functions A and B such that the following equations are Exact. Do Not solve the ODE. (a) (sin x + x²y³) dx + (A(x)y² + siny) dy = 0 (b) (ex+xB (y)) dx + (e² + x² cos y) dy = 0 and

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A:

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A:

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A:

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A: