21. (2xy + x²)dy + (2xy + y²) dx = 0 2. (3x² + 2xy) dx + (x²) dy = 0 A
Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Transcribed Image Text:1.
(2xy + x²) dy + (2xy + y²) dx = 0
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A
*A*3. (3x²y³ +3 sin x + 4y) dx + (3x³y² + 4x) dy = 0
x dy + y dx = 0
5. (3x²y² + 2y³ – 4y) dx + (2x³y + 6xy² − 4x) dy = 0
2. (3x² + 2xy) dx + (x²) dy = 0
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