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Across
  1. 3. All elements in the matrix is zero.
  2. 5. vertical lines in a matric
  3. 6. has equal number of columns and rows.
  4. 9. horizontal lines in a matrix
  5. 11. Square matrix in which all elements except diagonal elements is zero.
Down
  1. 1. Transpose of cofactor matrix
  2. 2. Matrix which has only one column.
  3. 4. Constituents of a matrix.
  4. 7. Matrix which has only one row.
  5. 8. It is a square matrix in which all diagonal elements are 1 remaining elements are 0.
  6. 10. Diagonal matrix in which all diagonal elements are equal.