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If A=[a(ij)](mxxn) is a square matrix, i...

If `A=[a_(ij)]_(mxxn)` is a square matrix, if :

A

`mltn`

B

`mgtn`

C

`m=n`

D

None of these.

Text Solution

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The correct Answer is:
C
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Knowledge Check

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    A
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    B
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    C
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    rank of A is less than r
    D
    none of these

  • If A = [a_(ij)] is a square matrix of order 2 such that a_(ij)={{:(1,"when " i ne j),(0,"when "i = j):} that A^2 is :

    A
    `[(1,0),(1,0)]`
    B
    `[(1,1),(0,0)]`
    C
    `[(1,1),(1,0)]`
    D
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