Question

what is matrix and determinimant???​

Answer 1

Answer:

"A matrix is an array of many numbers. For a square matrix, i.e., a matrix with the same number of rows and columns, one can capture important information about the matrix in a just single number, called the determinant."

Answer 2

Step-by-step explanation:

The determinant of a matrix is a special number that can be calculated from a square matrix.

1. To work out the determinant of a 3×3 matrix:
2. Multiply a by the determinant of the 2×2 matrix that is not in a's row or column.
3. Likewise for b, and for c.
4. Sum them up, but remember the minus in front of the b.