Question: Test for Exactness and Provide General Solution 1. (2xy + x)dx + (x + y)dy = 0 2. (y + 2xy)dx + (1 + 3xy

Test for Exactness and Provide General Solution 1. (2xy + x)dx + (x + y)dy = 0 2. (y + 2xy)dx + (1 + 3xy + x)dy = 0 3. (3x2y2)dx + (2xy + 4y)dy = 0 4. (ysinx + xycosx)dx + (xsinx + 1)dy = 0 With answer and solution.

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