Properties Flashcards
0
Q
A + (B + C) =
A
(A + B) + C
1
Q
A + B =
A
B + A
2
Q
A + 0 =
A
A
3
Q
A + (-A) =
A
0
4
Q
r (A + B) =
A
rA + rB
5
Q
(r + s)A =
A
rA + sA
6
Q
r (sA) =
A
(rs) A
7
Q
1A =
A
A
8
Q
AB can not equal
A
BA, unless A and B commute
9
Q
(A + B)(A + B) =
A
A^2 + AB + BA + B^2
10
Q
(AB)C =
A
A(BC)
11
Q
A(rB) = =
A
(rA)B = r(AB)
12
Q
A(B + C) =
A
AB + AC
13
Q
(A + B)^T =
A
A^T + B^T
14
Q
(rA)^T =
A
r(A^T)
