What is a complex numbers

The video introduces complex numbers, explaining their components: a real part and an imaginary part. It discusses solving equations with imaginary numbers, particularly focusing on the square root of negative one, represented by 'i'. The video explains the standard form of complex numbers as a combination of a real number and an imaginary number. The importance of understanding these concepts in mathematics is emphasized.

Why can't 'b' be equal to 0 if you want to have an imaginary part in a complex number?

What is the significance of the imaginary unit 'i' in complex numbers?