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Question

If A is a non-singular matrix of order (nxn), then rank (A) is ?

A
1
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B
n
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C
>n
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D
-1
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Solution

The correct option is B n
Given A is non-singular matrix of order n×n
|A|n×n0
So, by definition of rank of matrix
Rank of A=n
Hence, option 'B' is correct.

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