If is an imagenary cube root of unity , then find the value of

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- May 3rd 2009, 11:11 PMzorroImagenary cube root Problems
If is an imagenary cube root of unity , then find the value of

- May 4th 2009, 02:42 AMGamma
did you type it right? that bottom 2x2 minor has rows the same, is that correct?

If so, just do it, i recommend cofactor down the first column to take advantage of that being the same.

the first term is 0.

second is

third is

Add them

But these are cube roots of unity,

- Dec 14th 2009, 02:16 PMzorroI didnt get the last part
- Dec 19th 2009, 08:52 PMzorroi have some doubt
- Dec 19th 2009, 09:29 PMzorroCould u please provide me with links