“The only limits to our realization of tomorrow will be our doubts of today.” – **Franklin D. Roosevelt**

**Lecture 9 Chapter 4 Determinants Class 12**

NCERT Solutions Exercise 4.6

00:01:30 Question 11

00:08:00 Question 12

00:11:50 Question 13

00:16:30 Question 14

00:21:10 Question 15

00:27:30 Question 16

The cost of 4 kg onion, 3 kg wheat and 2 kg rice is ₹ 60. The cost of 2 kg onion, 4 kg wheat and 6 kg rice is ₹ 90. The cost of 6 kg onion 2 kg wheat and 3 kg rice is ₹ 70. Find cost of each item per kg by matrix method.

00:34:50 Example 33 Chapter 4