4. Self-checking

  1. How many parts does the Gauss method come up with?
  2. What is called reverse matrix?
  3. Provide an algorithm for constructing an inverse matrix.
  4. How to find the inverse matrix in MAPLE's mathematical package?
  5. Give a determinant of the nth order.
  6. List the properties of determinants.
  7. In which cases is a determinant equal to zero?
  8. For which transformations of the determinant elements does the latter not change its meaning?
  9. What is called an algebraic complement of a determinant element?
  10. 10. How is Cramer's rule formulated?
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