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Question

The inverse of the matrix 250011103 is


A
3155162152
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B
3111565522
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C
3155162152
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D
355162152
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Solution

The correct option is A 3155162152
The given matrix is 250011103
Now we know that A1=1|A|adj(A)
|A|=2(3)5(1)=1
adj(A)=[cof(aij)]T
cof(aij)=3111565522
[cof(aij)]T=3155162152=adj(A)
A1=1|1|×3155162152

 

Mathematics

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