EM 214 Reduction of order
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Last updated 8:29 PM on 3/25/26
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4 Terms
1
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Reduction of order
For y’’ + P(x)y’ + Q(x)y = 0 use y = uy1, then w = u’ & w’ = u’’
where y1 is given
2
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y2 from y1 formula
For y’’ + P(x)y’ + Q(x)y = 0 →
No +C
3
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Finding general solution from y1
Use formula to get y2 then add solutions together setting y1 & y2 ‘s coefficients to unknown A & B.
4
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