MATRICES AND DETERMINANTS

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Across
  1. 2. matrix whose diagonal matrix have same elements in principle diagonal
  2. 4. determinant of A equal to zero
  3. 7. elements present above the principle diagonal are zeroes in a square matrix
  4. 9. |A| =0 and adj A.B not equal to zero
  5. 11. A=A'
Down
  1. 1. elements present below the principle diagonal are zeroes in a square matrix
  2. 3. A=-A'
  3. 5. matrix contains equal number of rows and columns
  4. 6. transpose of cofactor matrix
  5. 8. condition for matrices add and subtraction
  6. 10. value of determinant having identical rows