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Nov
10
awarded  Critic
Nov
10
comment How to find the roots of $x^4 +1$
The square root of i and i to the 1 and a half power?
Nov
10
comment How to find the roots of $x^4 +1$
Well, i is the imaginary number hich is $i = \sqrt{-1}$. They are complex numbers.
Nov
10
answered How to find the roots of $x^4 +1$
May
27
awarded  Teacher
May
27
answered Simplify $-8x - 12 + 3x - 5x + 9$
Jan
3
answered Puzzle - where did the extra dollar come from?
Dec
29
awarded  Supporter
Dec
10
awarded  Autobiographer