Mathematics, 24.01.2020 20:31 ashley6752
Let upper a equals left bracket start 2 by 2 matrix 1st row 1st column negative 2 2nd column 4 2nd row 1st column 1 2nd column 3 endmatrix right bracketa=
β2 4
1 3
, and upper b equals left bracket start 2 by 2 matrix 1st row 1st column negative 2 2nd column 1 2nd row 1st column 3 2nd column 7 endmatrix right bracketb=
β2 1
3 7
.a. find
abab,
if possible. b. find
baba,
if possible.
c. are the answers in parts a and b the same?
d. in general, for matrices a and b such that ab and ba both exist, does ab always equal ba?
a. find
abab,
if possible.
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Let upper a equals left bracket start 2 by 2 matrix 1st row 1st column negative 2 2nd column 4 2nd r...
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