Wednesday

July 23, 2014

July 23, 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

**Related Questions**

pre cal - does anyone take pre-cal online ?

Integrated Physics and Chemistry - The specific heat capacity of copper is 0.09 ...

math - 80 cal/g x 5 g 400g/cal or 400 cal/g not sure can any one help Neither. ...

Pre-Calculus - I'm trying to finish up my pre-cal homework and I am stuck on 2 ...

Pre-Calculus - I'm trying to finish up my pre-cal homework and I am stuck on 2 ...

physics - A 50 gram ice cube is cooled to -10oC in the freezer. How many ...

Science - A 50 gram ice cube is cooled to -10oC in the freezer. How many ...

Chemistry - How much heat is released when 10 g of steam at 100°C is cooled to ...

pre cal - 3(2x-1)^2 (2) (x+3)^1/2 + (2x-1)^3 (1/2) (x+3)^-1/2

Pre Cal - 1 --------- 2x^2-2 --------------- 2 + x ---- ------- x+11 x^2-2x-3