# Commerce-Grade 12 Monthly Pack (Math) – June

Category:

COURSE DESCRIPTION:

• Matrices
• Determinants

### Matrices - Part 2

1
Exercise 3.2 [1(i, ii, iii, iv, v), 2(i, ii, iii, iv), 3(i, ii, iii)
2
Exercise.3.2 [3 (iv, v, vi), 4, 5]
3
Exercise.3.2 [6, 7 (i, ii), 8, 9]
4
Exercise.3.2 [10, 11, 12 & 13]
5
Exercise.3.2 [14(i, ii)]
6
Exercise. 3.2 [15, 16]
7
Exercise. 3.2 [17, 18]
8
Exercise. 3.3 [ 1(i, ii, iii), 2(i, ii), 3(i, ii) , 4]
9
Exercise 3.3 [5(i, ii), 6(i, ii)]; Concept of Symmetric and Skew Symmetric Matrix
10
Exercise 3.3 [8(i, ii), 9, 12, 10(i)]
11
Exercise 3.3 [10 (iv)]; Ex 3.4 [1]
12
Exercise 3.4 [2, 3, 4, 5, 6]
13
Exercise 3.4 [7, 8, 9, 10, 11]
14
Exercise. 3.4 [12, 13, 14, 15]

### Determinants - Part 1

1
Introduction To Determinants; Exercise 4.1 [1, 2(i, ii), 3, 4]
2
Exercise 4.1 [5 (i,ii,iii,iv) , 6, 7 (i,ii), 8]
3
Properties of Determinants ; Exercise 4.2(1)
4
Exercise 4.2( 2 TO 5)
5
Exercise 4.2[ 6,7,8 (i,ii)]
6
Exercise 4.2[9,10(i,ii),11(i)]
7
Exercise 4.2[11(ii),12,13,14]
8
Area of triangle and Collinearity; Exercise 4.3 [ 1-(i,ii,iii),2,3(i,ii) ] ; Equation of line joining given two points
9
Exercise 4.3 [ 4(i,ii),5];Minors and Cofactors; Exercise 4.4 [1(i,ii),2(i),3,4]
10
Adjoint of Matrix; Exercise 4.5 (1,2,3,4)
11
Exercise 4.5 (5 to 10)