Chapter 1: Sets – Class 11 Maths (NCERT Solutions for Exercise 1.1 & 1.2)br br In this lecture, I break down Chapter 1: Sets from Class 11 Maths with step-by-step solutions for NCERT Exercises 1.1 & 1.2. br br 🔹 Key Concepts Covered:br ✔️ Meaning of Sets & Different Forms (Roster, Set Builder, etc.)br ✔️ Special Types of Sets (Null, Finite, Infinite, Equal Sets)br ✔️ Detailed Solutions for Each NCERT Questionbr br 🎯 Timestamps for Easy Navigation:br 🔹 Exercise 1.1br ⏳ 00:00:01 – Meaning of Setsbr ⏳ 00:03:38 – NCERT Exercise 1.1 Question 1br ⏳ 00:09:58 – Roster Form, Listing Method, Property Method, Set Builder Formbr ⏳ 00:20:51 – "Belongs to" Conceptbr br ⏳ 00:23:21 – Question 2br ⏳ 00:25:01 – Question 3br ⏳ 00:33:31 – Some Special Setsbr ⏳ 00:38:11 – Question 4br ⏳ 00:48:41 – Question 5br ⏳ 00:53:21 – Question 6br ⏳ 00:59:21 – Null Sets Empty Sets Void Setsbr br 🔹 Exercise 1.