Posted by ?LL on Monday, April 9, 2012 at 12:11am.
How to find the characteristic equation of this matrix?
4 5
2 3

linear alg  Damon, Monday, April 9, 2012 at 1:49am
(4x) 5
2 (3x)
find determinant
(4x)(3x) + 10 = 0
12 7x + x^2 + 10 = 0
x^2 7 x  2 = 0