Section 7.8

# Section 7.8 - Section 7.8 (Homework) 1. [SCalcCC2 7.8.02.]...

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

Section 7.8 (Homework) 1. [SCalcCC2 7.8.02.] 3.5/3.5 points Last Response | Show Details All Responses Notes Solve the differential equation using the method of undetermined coefficients. y '' + 9 y = e 3 x (a) Find the auxiliary equation using the variable r . r^2+9 r^2+9 = 0 (b) Determine the complementary solution. (o) (o) (_) (_) (_) (_) none of these (_) (_) (_) (_) (c) Find the general solution. y ( x ) = y c ( x ) + (1/18)exp(3x) (1/18)*exp(3x) 2. [SCalcCC2 7.8.06.] 3.5/3.5 points Last Response | Show Details All Responses Notes

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

View Full Document
Solve the differential equation using the method of undetermined coefficients. y '' + 2 y ' + y = xe - x (a) Find the auxiliary equation using the variable r . r^2+2r+1 r^2 + 2r + 1 = 0 (b) Determine the complementary solution. (o) (o) (_) (_) (_) (_) (_) (_) (_) (_) none of these (c) Find the general solution. y ( x ) = y c ( x ) + (1/6)x^3exp(-x) (1/6)*x^3*exp(-x) 3. [SCalcCC2 7.8.08.] 3/3 points Last Response | Show Details All Responses Notes Solve the initial-value problem using the method of undetermined coefficients. y
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 10/28/2010 for the course MA MA 241 taught by Professor Lesliekurtz during the Spring '10 term at N.C. State.

### Page1 / 3

Section 7.8 - Section 7.8 (Homework) 1. [SCalcCC2 7.8.02.]...

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

View Full Document
Ask a homework question - tutors are online