• Support PF! Buy your school textbooks, materials and every day products Here!

Derivatives of a higher order - Satisfying the equation

  • Thread starter K.QMUL
  • Start date
  • #1
54
0

Homework Statement



Show that y= xex satisfi es

A(d2y)/dx2 + B(dy/dx) + Cy = 0

for suitably chosen values of the constants A, B, and C.

Homework Equations



Y=xex

The Attempt at a Solution



Please see the attachment. I get to a point where I need to find the value of A, B and C but cannot as I'm dealing with x2 terms.

Help would be much appreciated.
 

Attachments

Answers and Replies

  • #2
Office_Shredder
Staff Emeritus
Science Advisor
Gold Member
3,750
99
You calculated dv/dx wrong.
 
  • #3
54
0
Could you explain Where I went wrong?
 
  • #4
54
0
Oh, I see the mistake, Thanks
 

Related Threads on Derivatives of a higher order - Satisfying the equation

  • Last Post
Replies
8
Views
7K
  • Last Post
Replies
12
Views
2K
Replies
2
Views
826
  • Last Post
Replies
6
Views
2K
Replies
1
Views
2K
Replies
5
Views
10K
Replies
2
Views
2K
Replies
9
Views
10K
  • Last Post
Replies
4
Views
1K
  • Last Post
Replies
3
Views
3K
Top