Page 104 - DMTH201_Basic Mathematics-1

Unit 4: Determinants

Notes
1(0 2) 3(0 6) 1(1 0)
2 18 1 17

4 3 1
5 0 2
1
5 1 0

4(0 2) 3(0 10) 1( 5 0)
8 30 5 17

1 4 1
1 5 2
2
3 5 0

1(0 10) 4(0 6) 1(5 15)

10 24 20 34

1 3 4
1 0 5
3
3 1 5

1(0 5) 3(5 15) 4(1 0)

5 60 4 51
17
x 1 1
17

34
y 2 2
17
51
z 3 3
17
x 1, y 2, z 3

8. z 2x 1 0 2x 0y z 1

y z 2 0 0x y z 2

x 2y 5 x 2y 0z 5

2 0 1
0 1 1
1 2 0

2(0 2) 0(0 1) 1(0 1)

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