Question

If adj (A) = -5 3
3 a
and second row of
4 a 2
2 14
matrix A is [2 1 3 , then the sum of all
possible values of det.(A) is
​

Answer 1

Answer:

Matrices are powerful operators in algebra. They represent operations on vector spaces and are used everywhere in signal processing to represent geometrical transforms and to solve series of equations. In a general form, a matrix is an NxM construct such as:

graphics/dequ10.gif

Matrices can be added, multiplied, transposed, and inverted. The following sections contain some examples for 3x3 matrices.