Ilyas Khan

Ilyas Khan Mathematician and UI /UX Designer

17/07/2026

Properties of Complex Numbers | Subtraction Property | Quick Math Lesson

📚 Complex Numbers – Subtraction Property

This short video explains the Subtraction Property of Complex Numbers in an easy and understandable way.

🎥 Watch the complete video using the link in the description/comments for the full concept, solved examples, and exam tips.
YouTube || https://youtu.be/yMWJJsupBGU?si=vyJp6uqEi5Pt4KXU
👍 Like • Share • Follow Math with Sir Ilyas for complete mathematics lectures.

16/07/2026

🧠 Math Challenge of the Day

Can you solve this question before looking at the answer?

Comment your answer below and challenge your friends!

16/07/2026

Properties, Conjugate & Modulus of Complex Numbers | Class 11 Mathematics | FBISE Chapter 1
YouTube || https://youtu.be/yMWJJsupBGU?si=h3dJBHaTYFFvFTE8

In this lecture, you’ll learn the most important concepts of Chapter 1 – Complex Numbers from Class 11 Mathematics (FBISE New Syllabus).

✅ Topics Covered:

✔️ Properties of Complex Numbers
✔️ Conjugate of a Complex Number
✔️ Modulus of a Complex Number
✔️ Important Formulas
✔️ Step-by-Step Examples
✔️ Board Exam Preparation Tips

This lecture is designed to help students understand the concepts easily and prepare confidently for exams.















14/07/2026

📘 FBISE 1st Year Mathematics
Why is the Modulus of a Complex Number Always a Real Number?

In this lecture, students will learn:
✔ Definition of modulus
✔ Formula |z| = √(a² + b²)
✔ Why modulus can never be imaginary
✔ Geometric meaning of modulus
✔ Important board exam concept

🎯 Best for concept building and FBISE preparation.

13/07/2026

🔥 Iota Power Shortcut Trick

Learn how to calculate i^n quickly using one simple method.

✔️ Easy
✔️ Fast
✔️ Exam Friendly

Follow Math with Sir Ilyas for more mathematics tutorials.










12/07/2026

Class 11 Mathematics | Chapter 1 Complex Numbers | Complete Lecture
📚 Learn Complex Numbers with easy explanations and step-by-step methods.

✔️ FBISE New Syllabus
✔️ Complete Chapter 1
✔️ Exam Preparation
✔️ Easy Concepts
Follow Math with Sir Ilyas for regular mathematics lectures.
YouTube Link

https://youtu.be/by3kpHuPUaE?si=AVezCkFVYbj28uBs

24/01/2026

Complete explanation of Exercise 1.1 to 1.2 from Class 10 Mathematics 📘
✔️ Step-by-step solutions
✔️ Easy methods for students
✔️ Helpful for board exam preparation 🎓
Follow Math with Sir Ilyas for more Class 9 & 10 math lectures, solved exercises, and calculator tricks.










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