so I get , which is great but how the S looks? How to make all idices the same?

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- January 15th 2013, 11:00 AMLisa91Re: Series equation
so I get , which is great but how the S looks? How to make all idices the same?

- January 15th 2013, 11:02 AMTheSaviourRe: Series equation
- January 15th 2013, 11:15 AMLisa91Re: Series equation
Well... We have . Then we get which is wrong. We should get .

- January 15th 2013, 11:45 AMTheSaviourRe: Series equation
- January 15th 2013, 12:06 PMLisa91Re: Series equation
Thank you all so much! Now it's ok :D