- #1

hawaiidude

- 41

- 0

y''-xy'+2y=0?

it says, {2a2+6a3x+12a4x^2+...n(n-1_anx^n-1

ahh i don't know..how would you solve this? can someone explain? my math teacher is un willing to help me...

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- Thread starter hawaiidude
- Start date

- #1

hawaiidude

- 41

- 0

y''-xy'+2y=0?

it says, {2a2+6a3x+12a4x^2+...n(n-1_anx^n-1

ahh i don't know..how would you solve this? can someone explain? my math teacher is un willing to help me...

- #2

HallsofIvy

Science Advisor

Homework Helper

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The problem you have is a linear homogeneous d.e. with variable coefficients. The standard way of solving such an equation is to use power series (as you can see from the given solution).

Let y= Σ a

- #3

hawaiidude

- 41

- 0

x^ &lambda ; {8 &lambda ; -1) a0 +10 &lambda ; ...and so on...any help is welcomed

- #4

HallsofIvy

Science Advisor

Homework Helper

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Please do not post the same thing on different threads. I responded to this on a different thread.

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