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Matrices
Question
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A - {a.i j ]m x n is a square matrix, if
  • m < n
  • m > n 
  • m = n
  • None of these

Answer

C.

m = n

For A = [a I J ]m x n to be square matrix.
number of row s = number of columns
∴m = n
∴ (C)    is correct.

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