The number of non-singular matrices with four entries equal to and all other entries…

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

The number of

3\times3

non-singular matrices with four entries equal to

1

and all other entries equal to

0

is (1)

5

(2)

6

(3) At least

7

(4) Less than

4

Related theory

Determinants
Determinant evaluation
Matrices
Determinant of a 3x3 matrix

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