BEU FF by Rustam Aliyev

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Across
  1. 1. If any two rows or any two columns are identical or proportional, then value of determinant is ___
  2. 4. A square matrix is called ___ matrix if all the non-diagonal elements are zero.
  3. 9. Linear ___ is a branch of mathematics rich in theory and applications.
  4. 12. System of linear equations in which each of the constant terms is zero.This is ___ system.
  5. 13. A square matrix has ___ if and only iff A is non-singular.
  6. 15. If a linear equation has no solution it is ___ linear equation.
  7. 16. A matrix equal to its transpose.
  8. 17. An MxN is a ___ matrix if M=N
  9. 18. Vertical lines in a matrix.
  10. 19. Ordered rectangular array of numbers.
Down
  1. 2. A matrix which has only one row.
  2. 3. Any square matrix can be represented as the sum of a ___ and a skew symmetrix matrix.
  3. 5. The matrix derived from the coefficients and constant terms of a system of linear equation called ___ matrix
  4. 6. The number of functions in a matrix.
  5. 7. A matrix whose determinant is zero.
  6. 8. If A is a matrix of order 3x3 then number of minors in determinant of A.
  7. 10. ___ are what remains often removal of a row and column from a matrix.
  8. 11. Two system of linear equations are called ___ if they have precisely the same solution set.
  9. 14. If inverse of a square matrix exists it is zero.
  10. 15. The ___ matrix has 1s on the diagonal and 0s off the diagonals.