
Re: Equation with x^4 + x^3 + x^2 + x + 1.
Posted:
Aug 7, 2012 10:13 PM


Now.. I listen to explanation of some people(?) about error.
Namely,
They can not use the symbol sigma(sum) with complex number in high school.
So, sum{k=1 to 100} i^k can not use in high school.
Maybe.. this error on curriculum.(math education)

