## anonymous 4 years ago I'm try to strip out a term to have the sum start at n=0 but it turns out that I don't have to anything...I still don't understand why =/ $0+\sum_{n=1}^\infty a_n nx^n=\sum_{n=0}^\infty a_n nx^n$

1. anonymous

@lgbasallote

2. anonymous

@Algebraic!

3. anonymous

@Callisto

4. anonymous

@saifoo.khan

5. anonymous

|dw:1348282976204:dw|

6. anonymous
7. anonymous

|dw:1348283328593:dw|

8. anonymous

|dw:1348283382718:dw|

9. anonymous

|dw:1348283519218:dw|

10. anonymous

Did you get my patern to solve DE with series?.

11. anonymous

I have never used sigma !

12. anonymous

Yeah the series is solved

13. anonymous

I was just stuck on understanding that particular step but now I get it.

14. anonymous

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