Class 11 Chapter 1 Maths Notes

NEW SYLLABUS 2026–27

Chapter 1: Complex Number – Maths Notes All Solved Exercises & Short Questions

Complete Chapter 1 Solutions (Exercises 1.1 to 1.4)

Class 11 Mathematics | Punjab Board (PECTAA)

Unit 1 Topics: Complex Operations, Argand Plane, Factorization, Cube & Fourth Roots of Unity

UNIT 1 – COMPLEX NUMBER

Chapter 1 Solved Exercises & Notes

Select an exercise or short questions below to read step-by-step solutions

Exercise 1.1 Solutions Multiplicative inverse, real & imaginary parts, powers of i View → Exercise 1.2 Solutions Complex equations, square roots & conjugate properties View → Exercise 1.3 Solutions Factorization into linear factors & complex quadratics View → Exercise 1.4 Solutions Cube roots & fourth roots of unity, properties of ω View → Chapter 1 Short Questions Important board definitions, formulas & solved examples View →