Homework Statement
Find the general solution of (D^4 - I)^2(D^2 - 4D + 13I)^2(y) = 0
2. The attempt at a solution
My issue with this problem is that I have no clue as to what the I's mean. I have become familiar with D being used notationally with differential equations, but the...
Homework Statement
The problem states:
Let
A_1 = [-1 1] , A_2 = [1 3]
...[0 1]...[-1 0]
A_3 = [1 0] , A_4 = [0 -1]
...[1 2]...[2 3]
Show that {A_1, A_2, A_3, A_4} is a basis for M_2 R.
The attempt at a solution
I'm very confused about this problem. I understand that to...