differential equations

Quote:

Originally Posted by dumbguy321

(a)
Hi, Im having trouble with differential equations, my homewrk is due in 2 hrs (Doh). You guys got any ideas?

Write down the general solution of the differential equation
http://ta2.maths.ed.ac.uk:8080/maple...mphcffkoin.gif.
http://ta2.maths.ed.ac.uk:8080/maple...bdedeapaml.gif
(b) Use a suitable trial function to find one simple particular solution of
http://ta2.maths.ed.ac.uk:8080/maple...benljhokbf.gif.
http://ta2.maths.ed.ac.uk:8080/maple...bdedeapaml.gif __________
(c) Find the solution of
http://ta2.maths.ed.ac.uk:8080/maple...benljhokbf.gif
that satisfies http://ta2.maths.ed.ac.uk:8080/maple...lgockoaibl.gif.
http://ta2.maths.ed.ac.uk:8080/maple...bdedeapaml.gif __________

Thanks

Hi

Haven't you studied this before ?

(a) The general solution of the differential equation is $y(x) = k\:e^{-5x}$

(b) Try $y(x) = k(x)\:e^{-5x}$