← Back to Mathematics Chapters
Matrices And Determinants Questions
12 Practice QuestionsStart Practicing Now
- [Easy]If |[x, 2], [3, 4]| = 10, then x equals...
- [Medium]If A and B are symmetric matrices of the same order, then AB is symmetric if...
- [Easy]If two rows of a determinant are identical, then the value of the determinant is...
- [Medium]The determinant |[1, 2, 3], [4, 5, 6], [7, 8, 9]| equals...
- [Medium]The inverse of matrix A = [[2, 3], [1, 2]] is...
- [Easy]If A = [[1, 2], [3, 4]] and B = [[2, 0], [1, 3]], then AB equals...
- [Easy]A matrix A has an inverse if and only if...
- [Medium]If A is a 3×3 matrix and |A| = 5, then |3A| equals...
- [Easy]The transpose of matrix A = [[1, 2, 3], [4, 5, 6]] is...
- [Easy]The value of the determinant |[2, 3], [4, 5]| is...
- [Easy]The trace of a square matrix A is defined as the sum of its diagonal elements. If A = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], then tr(A) equals...
- [Hard]If A is a skew-symmetric matrix of odd order, then |A| equals...