SOLUTION: How do i find the determinant of A: A=[4, -7, 3, -2]?

Question 176532: How do i find the determinant of A: A=[4, -7, 3, -2]?
Found 2 solutions by stanbon, jim_thompson5910:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
You don't; only a square matrix has a determinant.
Cheers,
Stan H.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'm assuming that the matrix is really

Solved by pluggable solver: Finding the Determinant of a 2x2 Matrix

If you have the general 2x2 matrix:

the determinant is:

So this means that

Note: the vertical bars denote a determinant.

-----------------------------------------------------------------

So in this case the determinant of is:

======================================================

Answer:

So which means that the determinant of the matrix is 13

RELATED QUESTIONS
How do I find the determinant of A? A= 4 -7 3... (answered by actuary)
How do I find the determinant of A: A= 4 -7 3 (answered by Fombitz)
find the determinant of a. a=4 -7, 3... (answered by Alan3354)
How Do I find the determinant? 4 -3 -1... (answered by nerdybill)
Find determinant of A= [4 -7] [3 -2] (answered by ikleyn)
find the determinant of the matrix A=(9 6 2 1 2 3 4 5... (answered by Alan3354)
How do i find the determinant? (2)(-1)(4) (8)(3)(-5)... (answered by jim_thompson5910)
find the determinant of A. A=[4 -7] ------ [3 -2] a.13 b.29 c.2... (answered by Alan3354)
Find the determinant A [-7 2 -1 ] 0 -3 -1 3 -4... (answered by ikleyn)