SOLUTION: Find the determinant of the matrix. -2 5 3 7 =a

Algebra ->  Matrices-and-determiminant -> SOLUTION: Find the determinant of the matrix. -2 5 3 7 =a      Log On


   

Question 518405: Find the determinant of the matrix.
-2 5
3 7
=a
Answer by valentity(6) About Me  (Show Source):
You can put this solution on YOUR website!
Given

A= -2 5
3 7
then
detA=-2(7)-3(5)
= -14-15
=-29