CBSE Class 12 Math 2022 Term I Solved Paper

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Question : 44
Total: 50
The inverse of the matrix X=[
200
030
004
]
is
The inverse of a diagonal matrix is obtained by replacing each element in the diagonal with its reciprocal.
Since,
X=[
200
030
004
]

Therefore
X1=[
1
2
00
0
1
3
0
00
1
4
]
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