Mathematics, 23.03.2020 22:13 thasen31
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=
−2 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=
−2 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,
Answers: 2
Mathematics, 21.06.2019 19:30
The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?
Answers: 1
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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