“Failure will never overtake me if my determination to succeed is strong enough.” – **Og Mandino**

**Lecture 7 Chapter 4 Determinants Class 12**

00:00:05 Derivation of formula to find inverse of a matrix and singular matrix

NCERT Solutions Exercise 4.5

00:05:28 Question 5

00:09:58 Question 6

00:11:38 Question 7

00:13:48 Question 8

00:15:38 Question 9

00:18:28 Question 10

00:21:08 Question 11

00:24:28 Question 12

00:32:08 Question 13

00:37:28 Question 14

00:41:34 Question 17

00:48:24 Question 18