Matrices and Determinants

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Across
  1. 2. a matrix with all its elements as zero
  2. 3. a square matrix in which ekements in the diagonal are all 1 and rest are all zero is called an ______ matrix
  3. 5. a zero matrix is also known as _____ matrix
  4. 6. to every square matrix A=[aij]of order n, we can associate a number called _________ of the aquare matrix A, where aij=(i,j)th element of A.
  5. 9. the vertical lines in the matrix
  6. 10. a matrix in which number of rows are equal to number of columns
Down
  1. 1. a matrix is said to be a _______ matrix if it has only one column
  2. 4. the numbers which form a matrix are called entries or ______ of the matrix
  3. 7. the horizontal lines in a matrix
  4. 8. a matrix is said to be a ____ matrix if it has only one row