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October 21, 2014

October 21, 2014

Posted by **Anonymous** on Sunday, March 17, 2013 at 6:21pm.

- Pre cal -
**Damon**, Sunday, March 17, 2013 at 8:33pm-x^2 -2xi -1 = 0

x^2 + 2i x +1 = 0

x = [ -2i +/- sqrt ( -4 - 4) ]/2

x = [ -2i +/- 2 i sqrt 2 ] /2

x = 2i (-1 +/- sqrt 2 ) /2

x = (-1 +/- sqrt 2) i

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