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lilMissMindset
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i am stuck with this DE problem.
help please, anybody.
(D^2  D 2)y=6x+6e^(x)
 one year ago
 one year ago
lilMissMindset Group Title
i am stuck with this DE problem. help please, anybody. (D^2  D 2)y=6x+6e^(x)
 one year ago
 one year ago

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zepdrix Group TitleBest ResponseYou've already chosen the best response.0
dw:1350355096186:dw So what kind of complimentary solution did you get? Was there any overlap? :)
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
D=1 , 2 Yp=Ax+B+Cxex find A B C
 one year ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
Woops I should have called the exponential term C, sorry about that.
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
but you mentioned Yp1 and its ok.
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
so Yp2=Cxex
 one year ago

lilMissMindset Group TitleBest ResponseYou've already chosen the best response.0
Yp2 is the same as in the auxillary eqtn
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
no it has x so xex
 one year ago

lilMissMindset Group TitleBest ResponseYou've already chosen the best response.0
yes, multiplied it with x, and then?
 one year ago

lilMissMindset Group TitleBest ResponseYou've already chosen the best response.0
what will be the value of C?
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
then put in DE and find the values of A B C Y=c1ex + c2e2x + Ax+B+Cxex c1 & c2 are unknown , but A B C is exactly known
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
Tricky it is 2
 one year ago

lilMissMindset Group TitleBest ResponseYou've already chosen the best response.0
how is that so? i keep on getting 3/2
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
I found it with Laplace !
 one year ago

lilMissMindset Group TitleBest ResponseYou've already chosen the best response.0
teach me master. what is laplace?
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
no it is 6/(12)=2
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
Don't pay attention that just put in DE and find out A B C especially C. C=2
 one year ago

lilMissMindset Group TitleBest ResponseYou've already chosen the best response.0
i get it. jeeeeeez, stupid mistake.
 one year ago

lilMissMindset Group TitleBest ResponseYou've already chosen the best response.0
thanks a lot!
 one year ago

mahmit2012 Group TitleBest ResponseYou've already chosen the best response.1
for A B 0A2(Ax+B)=6x A=3 B=3/2
 one year ago
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