Description: A complex number combines a real part and an imaginary part, essential in mathematics and engineering.

Description: Solution of Ex. 3.1

Description: Solution of Ex. 3.1 Part II

Description: Finding the square root of a complex number involves determining two numbers whose product equals the original complex number.

Description: A quadratic equation represents a parabola, and solving it finds the values where the curve intersects the x-axis.

Description: The cube roots of unity are three distinct numbers that, when cubed, equal one, representing symmetrical points on the unit circle.

Description: Solution of Ex. 3.3