How do you find the determinant of ((7, -1), (6, -2))?
1 Answer
Feb 13, 2016
Explanation:
The determinant of the
((a,b),(c,d))
is equal to
Here, with the matrix
((7,-1),(6,-2))
we see that
{(a=7),(b=-1),(c=6),(d=-2):}
Thus, the determinant of the matrix is equal to
ad-bc=(7)(-2)-(-1)(6)=-14+6=color(blue)(-8)