a) Write down the general solution of the differential equation dy/dx + 3y = 0.

b) Use a suitable trial function to find one simple particular solution of dy/dx + 3y = -6

c) Find the solution of dy/dx + 3y = -6 that satisfies y(0) = -5

Any ideas?

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- Feb 12th 2009, 01:20 AMmr_motivatorDifferential Equations...
a) Write down the general solution of the differential equation dy/dx + 3y = 0.

b) Use a suitable trial function to find one simple particular solution of dy/dx + 3y = -6

c) Find the solution of dy/dx + 3y = -6 that satisfies y(0) = -5

Any ideas? - Feb 12th 2009, 01:49 AMmr fantastic
- Feb 12th 2009, 09:04 AMThePerfectHacker
- Feb 12th 2009, 11:30 AMMuzza8888
so the answer to a), the general solution to the differential equation is y(x) = kexp(-3x) ?

Or is this the answer to b), the trial function? If anyone knows a good tutorial for the use of trial functions in this context it would be appreciated as i cannot seem to find any. - Feb 12th 2009, 08:12 PMThePerfectHacker