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December 18, 2014

December 18, 2014

Posted by **mark** on Thursday, January 1, 2009 at 5:14pm.

Sqrt-900

cuberoot-125x^6

- math -
**DrBob222**, Thursday, January 1, 2009 at 5:57pmi^2=-1

i^3 = -i

i^4 = 1

Do you notice a trend (to get to i^25)?

sqrt -900 = sqrt (-1*900) = 30i

You can check this and your work by going to google and typing in the equation; e.g., i^25 or sqrt -900 and enter.

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