Question: (3) Show complete solution Determine whether the following differential equations are exact. 1. 2xy dx + (1 + x2) dy = 0 2. y dx

(3) Show complete solution

Determine whether the following differential equations are exact. 1. 2xy dx + (1 + x2) dy = 0 2. y dx - x dy = 0 3. (x + sin y) dx + (x cos y - 2y) = 0

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