ENGRExam2Solutions

ENGRExam2Solutions - Name (please February 21, 2008 print):...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Name (please print): February 21, 2008 ENGR 232: DYNAMIC ENGINEERING SYSTEMS I: EXAM 2 '/ I Section No.: Instructions: 1. Please write your name and section number in the space provided. 2. This exam is closed book. Calculators may be used. Students are allowed to use one page of HAND- WRITTEN notes. 3. Points will be deducted if the work is unclear and/or the answers are not justified. Solve the following differential equations 1. (5 points) Given the linear differential equation y' + (.!. + l)y = x-1e-xsin2x, x (a) (2 points) Find the integrating factor, J.t(x) (b) (3 points) Solve the equation for y(x) 1te ~/J~ C/I'V\ \j.;, rtA ~' -T P l~):t - Ql;x) / t.F - h..LX) J p ( )( )d ,x e. SG~ T' flY e PC'><)=:+-\- \ .-\ -y ~(X): f<. f. $(Vl2.)( dv\.uH-i p\ '11 ~ 'v- \X \ :::) ("" eX) \ ~ j+ 50\ vh ov\ - L -
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
- --- Name (please print): February 21, 2008 2. (3 points) Given the autonomous differential equation dy 2 - = Y - 15y + 50 dx (a) (2 points) Find the equilibrium solutions Ql(X) and Q2(X). (b)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

ENGRExam2Solutions - Name (please February 21, 2008 print):...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online