#### NCERT Solutions for Class 12th: Ch 3 Matrices Exercise 3.2 Math

Page No: 80

**Exercise 3.2**

Question: 1

Find each of the following:

(i) A + B

(ii) A – B

(iii) 3A – C

(iv) AB

(v) BA

**Answer**

(i) A + B

(ii) A - B

(iii) 3A – C

(iv) AB

(v) BA

2. Compute the following:

**Answer**

__(i)__

__(ii)__

__(iii)__

(iv)

3. Compute the indicated products.

Answer

__(i)__

__(ii)__

__(iii)__

(iv)

(v)

(vi)

Page No. 81

Question: 4

(A+B) and (B – C). Also, verify that A + (B – C) = (A + B) – C.

Answer

Question: 5