✦ Concept Labs

Home › Class 11 › Mathematics › Complex Numbers

Complex Numbers — Class 11 Mathematics

Complex Numbers is a Class 11 Mathematics chapter that appears in CBSE boards and in JEE Main. On Concept Labs you can study it through 5 short interactive animations with voice explanations, then revise with a one-page formula sheet.

Open interactive lessonsFormula sheet

Concept animations in Complex Numbers

What you will learn

Topics covered: Argand plane and multiplication, Roots of unity, Multiplying complex numbers, Euler’s formula (e^i theta) & De Moivre’s theorem, Geometry of complex numbers: circle, line & ellipse locus.

More: All Class 11 Mathematics chapters · All formula sheets

Frequently asked questions

What is Complex Numbers in Class 11 Mathematics?

Complex Numbers is a Class 11 Mathematics chapter. Concept Labs explains it with 5 concept animations covering Argand plane and multiplication, Roots of unity, Multiplying complex numbers, Euler’s formula (e^i theta) & De Moivre’s theorem.

Is there a formula sheet for Complex Numbers?

Yes. Concept Labs has a free chapter-wise formula sheet for Complex Numbers that you can view or download.

Is Complex Numbers important for JEE Main?

Complex Numbers is part of the Class 11 Mathematics syllabus that JEE Main aspirants study; use the animations to build the concept and then practice questions.