What could be an integrating factor in solving the differential equation (x2 – 4y – y? – 1)dx + 2x(y +x + 2)dy = 0 ? -

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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What could be an integrating factor in solving the differential equation
(x² – 4y – y² – 1)dx + 2x(y +x + 2)dy = 0 ?
1
e*
x2
1+x²
O D
1
x²-1
e 3y
O A
Transcribed Image Text:What could be an integrating factor in solving the differential equation (x² – 4y – y² – 1)dx + 2x(y +x + 2)dy = 0 ? 1 e* x2 1+x² O D 1 x²-1 e 3y O A
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