Identify whether the differential equation is homogeneous, variable separable, non-exact or exact. Simplify the answer and remove the logarithmic function if possible. 1. (y+sinx-cosx)dy + y(sinx+cosx)dx = 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Identify whether the differential equation is homogeneous, variable separable, non-exact or exact. Simplify the answer and remove the logarithmic function if possible.

1. (y+sinx-cosx)dy + y(sinx+cosx)dx = 0

2. (2x2y-y2x+yx)dx + (3x3-4x2y+3x2)dy = 0

3. (s2-3-r)ds + sdr = 0

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