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January 27, 2015

January 27, 2015

Posted by **Jacob** on Friday, December 16, 2011 at 8:51pm.

- Calculus -
**bobpursley**, Friday, December 16, 2011 at 9:03pmDo it in polar:

x^3=1@0=1@360= 1@720

x= 1@0 not allowed in the problem statement

other solutions...

x= 1@120= 1cos120+i*sin120=you do it.

x=1@240=1cos240+i*sin240= you do it.

now, with the last two, solve for x(x+1)

have fun.

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