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**Lecture 1 Chapter 4 Determinants Class 12**

00:01:19 Introduction to determinants

00:03:29 Determinants of 1×1 matrix and notations to represent determinants

00:04:50 Determinant of 2×2 matrix

00:07:09 NCERT Solutions Exercise 4.1 Question 1

00:07:39 NCERT Solutions Exercise 4.1 Question 2

00:09:49 NCERT Solutions Exercise 4.1 Question 3 (method 1)

00:12:39 NCERT Solutions Exercise 4.1 Question 6 Determinant of 3×3 matrix

00:24:09 NCERT Solutions Exercise 4.1 Question 5

00:33:49 NCERT Solutions Exercise 4.1 Question 4 (Method 1)

00:40:09 NCERT Solutions Exercise 4.1 Question 3 (Method 2)

00:41:19 NCERT Solutions Exercise 4.1 Question 4 (Method 2)

00:42:49 Important one mark questions for CBSE Board Exams

00:44:49 NCERT Solutions Exercise 4.1 Question 7

00:46:19 NCERT Solutions Exercise 4.1 Question 8