Complex numbers in the form a+ib, Argand plane
medium
1 of 5 Lessons
Modulus and Argument of complex numbers
medium
2 of 5 Lessons
Square root of a complex number, Triangle inequality
medium
3 of 5 Lessons
Quadratic equations and their roots, discriminant
medium
4 of 5 Lessons
Relation between roots and coefficients
medium
5 of 5 Lessons