Y''-6y'+5y = -25t^3, Diff EQ, did I mess up my guess again?

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Homework Help Overview

The discussion revolves around finding a particular solution to the differential equation Y'' - 6y' + 5y = -25t^3. Participants are examining their approaches and the accuracy of their coefficient calculations.

Discussion Character

  • Exploratory, Assumption checking, Mathematical reasoning

Approaches and Questions Raised

  • The original poster shares their work and expresses uncertainty about their solution. Some participants question the assumption that certain coefficients are zero, while others provide links to additional resources aimed at clarifying coefficient determination.

Discussion Status

The discussion is active, with participants offering insights and corrections regarding coefficient values. There is a collaborative effort to identify mistakes, but no explicit consensus has been reached on the correct solution.

Contextual Notes

Participants are working under the constraints of homework guidelines that require finding a particular solution, which may limit the approaches they can take. There is also a focus on ensuring that all coefficients are accurately determined.

mr_coffee
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Hello everyone! its me!
I thought i for sure did this one right, but no, lies!
Directions are to find a particular solution

Here is what i did:
http://suprfile.com/src/1/1t3y9m/lastscan.jpg



Thanks :)
 
Last edited by a moderator:
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Why are you so quick to conclude that B=C=D=0 ?
 
I don't see where i messed up here, i thought i found all the co-efficents correctly:
http://suprfile.com/src/1/1th0qc/lastscan.jpg

Anyone see? Thanks!@
 
Last edited by a moderator:
I don't. :/
 
C is -186/5 so D must be changed too.
 
Well spotted!
 
Ahh good one!
thanks for the help everyone!
http://cwcsrv11.cwc.psu.edu/webwork2_files/tmp/equations/90/e5ef2b88d7f77d6789601eb3d10ebb1.png
 
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