How do you find the determinant of ((1, 2), (1, 3))?

1 Answer
Oct 31, 2016

|(1,2),(1,3)| = 1

Explanation:

If we have a matrix A = ((a,b),(c,d)), then the determinant of A denoted det(A) or |A| is calculated as:
|A| = det(A) = a * d - b*c

:. |(1,2),(1,3)| = (1)(3) - (2)(1)
:. |(1,2),(1,3)| = 3 - 2
:. |(1,2),(1,3)| = 1