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Q1.In the differential equation 4(3x + y - 2)dx-(3x + y) dy = 0, we let the substitution dw =________. (Note: We use letter w for the first substitution

Q1.In the differential equation 4(3x + y - 2)dx-(3x + y) dy = 0, we let the substitution dw =________. (Note: We use letter w for the first substitution

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Q1.In the differential equation 4(3x + y - 2)dx-(3x + y) dy = 0, we let the substitution dw =________. (Note: We use letter w for the first substitution)

Q2. In the differential equation (y2 - x2 - 4x -1)dy + 2y(x + x +2)dx=0, what is  (∂M/∂y -  ∂N/∂x) =_________.

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