(b) For each of the following, state and explain whether the equations linear or non – linear, and give its order and degree. d²y i. dx² + k²x = 0 dy i. + xy² = 0 dx d²y + sin(x + y) = sin x dx2

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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(b) For each of the following, state and explain whether the equations linear or
non – linear, and give its order and degree.
d²y
i.
dx?
+ k²x = 0
dy
ii.
+ xy² = 0
dx
a²y
+ sin(x + y) = sin x
iii.
dx2
Transcribed Image Text:(b) For each of the following, state and explain whether the equations linear or non – linear, and give its order and degree. d²y i. dx? + k²x = 0 dy ii. + xy² = 0 dx a²y + sin(x + y) = sin x iii. dx2
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