all solutions to x^3=1
blackpenredpen blackpenredpen
1.27M subscribers
692,442 views
0

 Published On Feb 3, 2018

We will find all the cube roots of 1, namely all the cube roots of unity. The first method is to solve the cubic equation x^3=1 by factoring and the quadratic formula. The second method is to use imaginary numbers and rotation.

0:00 the algebra way
3:31 the complex way

Subscribe for more math for fun videos 👉 https://bit.ly/3o2fMNo

show more

Share/Embed