Engineering Board Exam Reviewer · Determinants · easy

Evaluate the determinant of bmatrix4&3\2&5 bmatrix.

  1. 14
  2. 26
  3. 20
  4. 6

Answer

A. 14

Solution

4(5)-3(2)=20-6=14.

More Determinants questions

  1. Evaluate the determinant of bmatrix2&0&1\3&1&2\1&0&3 bmatrix.
  2. Evaluate the determinant of bmatrix1&2&3\0&1&4\5&6&0 bmatrix.
  3. If the determinant of a 3×3 matrix A is 8, find the determinant of 2A.
  4. If (A)=5 and (B)=3, find (AB).
  5. Evaluate the determinant of the upper triangular matrix bmatrix3&7&2\0&5&1\0&0&4 bmatrix.
  6. Find the determinant of bmatrix2&4\1&2 bmatrix. What does this indicate about the matrix?
  7. Evaluate the determinant of bmatrix0&1&2\1&0&3\2&3&0 bmatrix.

All Determinants questions