How do you find the determinant of #|(4,6,7),(3,-2,-4), (1,1,1)|#?
1 Answer
Aug 3, 2017
The Rule of Sarrus! ->
Explanation:
Order three determinants follow The Rule of Sarrus . Consider a matrix
The Rule of Sarrus says:
These pictures may help in understanding what this rule does:
Positive sign:
Negative sign:
In your case: