In Exercises 12-15, use the given general solution to find a so- lution of the differential equation having the given initial con- dition. Sketch the solution, the initial condition, and discuss the solution's interval of existence. 12. y'+4y = cost, y(t) = (4/17) cost+(1/17) sint+Ce-4, y(0) = -1 13. ty' + y², y(t) = (1/3)² + C/t, y(1) = 2 14. ty' (t+1)y = 2te, y(t) = e(t + C/t), y(1) = 1/e 15. y'y(2+ y), y(t) = 2/(-1+ Ce-2), y(0) = -3

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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In Exercises 12-15, use the given general solution to find a so-
lution of the differential equation having the given initial con-
dition. Sketch the solution, the initial condition, and discuss
the solution's interval of existence.
12. y'+4y = cost, y(t) = (4/17) cost+(1/17) sint+Ce-4,
y(0) = -1
13. ty' + y², y(t) = (1/3)² + C/t, y(1) = 2
14. ty' (t+1)y = 2te, y(t) = e(t + C/t), y(1) = 1/e
15. y'y(2+ y), y(t) = 2/(-1+ Ce-2), y(0) = -3
Transcribed Image Text:In Exercises 12-15, use the given general solution to find a so- lution of the differential equation having the given initial con- dition. Sketch the solution, the initial condition, and discuss the solution's interval of existence. 12. y'+4y = cost, y(t) = (4/17) cost+(1/17) sint+Ce-4, y(0) = -1 13. ty' + y², y(t) = (1/3)² + C/t, y(1) = 2 14. ty' (t+1)y = 2te, y(t) = e(t + C/t), y(1) = 1/e 15. y'y(2+ y), y(t) = 2/(-1+ Ce-2), y(0) = -3
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