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 June 4th, 2015, 01:25 AM #1 Newbie   Joined: Jun 2015 From: kansas city Posts: 3 Thanks: 0 ODE question I have this ODE question I posted here too. Do you have an answer? undetermined coefficients in solving ODE question - Best Academic Essays Last edited by skipjack; June 4th, 2015 at 07:53 AM.
 June 4th, 2015, 05:28 AM #2 Math Team   Joined: Jan 2015 From: Alabama Posts: 3,264 Thanks: 902 No, that's not even close. Please show how you got that.
 June 4th, 2015, 06:46 AM #3 Math Team   Joined: Dec 2013 From: Colombia Posts: 7,634 Thanks: 2620 Math Focus: Mainly analysis and algebra I can't even understand what your answer means. What is $\sin(6x -- \sqrt{})$? It's syntactically meaningless. As Country Boy suggests, post your working so that we can see where your approach is incorrect.
 June 4th, 2015, 07:52 AM #4 Global Moderator   Joined: Dec 2006 Posts: 20,467 Thanks: 2038 y = C1*cos(√6x) + C2*sin(√6x) - (7x² - 4x + (17/21))e^(6x)

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