Let and for .

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- March 20th 2008, 02:41 PMmath sucksComplex numbers
Let and for .

Find - March 20th 2008, 02:48 PMmathceleb
Excel ran out of number spaces, but here is a start:

- March 20th 2008, 03:05 PMmath sucks
- March 20th 2008, 03:24 PMPlato
This is known sequence with

*period*of 12.

It repeats itself for each 12 just asrepeats every four.**i**

Use mod(12) to get the answer. - March 20th 2008, 04:20 PMmathceleb