CBSE Class 12 Math 2022 Term I Solved Paper | Question 20

CBSE Class 12 Math 2022 Term I Solved Paper

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Question : 20

Total: 50

For two matrices P=[

3	4
−1	2
0	1

] and QT=[

−1	2	1
1	2	3

] P−Q is

[
2 3
−3 0
0 −3
]
[
4 3
−3 0
−1 −2
]
[
4 3
−0 −3
−1 −2
]
[
2 3
0 −3
0 −3
]

Solution: 👈: Video Solution

Here,
Q=(QT)T=[

−1	1
2	2
1	3

]
Now,
P−Q‌=[

3	4
−1	2
0	1

]−[

−1	1
2	2
1	3

]
‌=[

4	3
−3	0
−1	−2

]

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