Test for exactness of the DE using ∂M/∂y and ∂N/∂x 2xy − 9x2 + (2y + x2 + 1)y′ = 0. Show complete solution.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Test for exactness of the DE using ∂M/∂y and ∂N/∂x

2xy − 9x2 + (2y + x2 + 1)y′ = 0.

Show complete solution.

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