Page 73 - DMTH201_Basic Mathematics-1

Basic Mathematics – I

Notes
5 0 0
5I 0 5 0
0 0 5

9 4 5 8 8 0 8 8 0
Adding A 2 4A 5I 8 8 0 9 4 5 8 8 0
8 8 0 8 8 0 9 4 5

0 0 0
0 0 0 0

0 0 0

A 2 4A 5I 0.

1 2 3 2 4 8
Example: If A 4 7 5 , B 0 6 3
0 18 10 5 7 11

B
Verify that 2(A B ) 2A 2 .
Solution:

1 2 2 4 3 8
A B 4 0 7 6 5 3
0 5 8 7 10 11

1 2 11
4 13 2
5 15 21

1 2 11
2(A B ) 2 4 13 2
5 15 21

2 4 22
2(A B ) 8 26 4 ...(1)
10 30 42

1 2 3 2 4 6
2A 2 4 7 5 8 14 10
0 8 10 0 16 20

2 4 8 4 8 16
2B 2 0 6 3 0 12 6
5 7 11 10 14 22

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