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Mathematics 18 Online
OpenStudy (anonymous):

Can someone please help me! Find a particular solution of the differential equation (-5/4)y''−2y'+y=2xe^(4x) using the Method of Undetermined Coefficients (primes indicate derivatives with respect to x).

OpenStudy (anonymous):

i ended up getting (20/729)e^(4x)-(2/27)xe^(4x) and its wrong

OpenStudy (zzr0ck3r):

what was your guess?

OpenStudy (anonymous):

my end answer was (20/729)e^(4x)-(2/27)xe^(4x)

OpenStudy (anonymous):

I got that by putting yp(x)=Ae^4x +Bxe^4x then I derived that and derived it again then plugged it into the original equation then I solved for A and B and got that answer

OpenStudy (anonymous):

I also tried it with Axe^4x+Be^4x and that was rong as well

OpenStudy (waheguru):

http://openstudy.com/study#/updates/50047ca2e4b0fb991133f09d when your done sorry

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