How could this be simplified in summation notation:

5 * y1 + 25 * y2 + 125 * y3

Thanks!

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- Feb 23rd 2009, 10:40 PMgenkislawSummation Notation Problem
How could this be simplified in summation notation:

5 * y1 + 25 * y2 + 125 * y3

Thanks! - Feb 23rd 2009, 10:47 PMADARSH
Welcome to the forum (Party)

- Feb 23rd 2009, 10:50 PMgenkislaw
Thanks, ADARSH.

What about this, if I was putting it in summation notation using sigma?

4 * x(sub)i + 4 * x(sub)i^2 + 4 * x(sub)i^3 + 4 * x(sub)i^4

Thanks! - Feb 23rd 2009, 10:55 PMADARSH
- Feb 23rd 2009, 11:17 PMgenkislaw
Thanks!