Complex numbers
Complex arithmetic94 problems · 6 skills
Conjugates 17Dividing complex numbers 17Modulus 18🔒Multiplying complex numbers 16🔒Powers of i 8🔒Real and imaginary parts 18🔒
The complex plane67 problems · 4 skills
Argument and polar form 15Extremes of the modulus 17Geometry with complex numbers 18🔒Polygons from roots 17🔒
Roots of unity and complex roots84 problems · 5 skills
Counting complex solutions 16Cubics with a complex root 17🔒Powers of complex numbers 16🔒Roots of unity 17🔒Sums of roots and powers 18🔒