Complex number
Complex Numbers – Class 12 Mathematics (CDC Nepal)
Complex Numbers is an important chapter in the Class 12 CDC Mathematics curriculum. It extends the real number system by introducing the imaginary unit (i=\sqrt{-1}) and explores numbers in the form (a+bi). This chapter provides the foundation for advanced mathematics, engineering, physics, and computer science.
Topics Covered
- Introduction to Complex Numbers
- Real and Imaginary Parts
- Algebra of Complex Numbers
- Conjugate of a Complex Number
- Modulus and Argument
- Polar Form of Complex Numbers
- De Moivre’s Theorem
- Roots of Complex Numbers
- Applications and NEB-Oriented Problems
A strong understanding of complex numbers, formulas, and problem-solving techniques enables students to solve advanced mathematical problems with confidence and achieve excellent results in the NEB Class 12 Examination.
Keywords: Class 12 Mathematics, Complex Numbers, Imaginary Numbers, Complex Plane, Polar Form, De Moivre’s Theorem, Conjugate, Modulus, Argument, CDC Nepal, NEB Mathematics.

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