If A= ( begin{bmatrix}2 7 8 end{bmatrix} ), B= ( begin{bmatrix}-3&4&1 end{bmatrix} ), find (AB) .

Question

If A= ( begin{bmatrix}2  7  8 end{bmatrix} ), B= ( begin{bmatrix}-3&4&1 end{bmatrix} ), find (AB) .

TuteeHUB · Accepted Answer

(AB) =  (  begin{bmatrix}-6&8&2    -21&-28&7    -24&32&8  end{bmatrix}  )

TuteeHUB · Answer

(AB) =  (  begin{bmatrix}-6&-21&-24    8&28&32    2&7&8  end{bmatrix}  )

TuteeHUB · Answer

(AB) =  (  begin{bmatrix}-6&8&2    -21&-28&7    -24&32&8  end{bmatrix}  )

TuteeHUB · Answer

(AB) =  (  begin{bmatrix}6&21&24    -8&28&7    -2&7&-8  end{bmatrix}  )

TuteeHUB · Answer

(AB) =  (  begin{bmatrix}-6&8&-21    8&2&7    -24&8&2  end{bmatrix}  )

1.	If A= ( begin{bmatrix}2 7 8 end{bmatrix} ), B= ( begin{bmatrix}-3&4&1 end{bmatrix} ), find (AB) .
A.	(AB) = ( begin{bmatrix}-6&-21&-24 8&28&32 2&7&8 end{bmatrix} )
B.	(AB) = ( begin{bmatrix}-6&8&2 -21&-28&7 -24&32&8 end{bmatrix} )
C.	(AB) = ( begin{bmatrix}6&21&24 -8&28&7 -2&7&-8 end{bmatrix} )
D.	(AB) = ( begin{bmatrix}-6&8&-21 8&2&7 -24&8&2 end{bmatrix} )
Answer» B. (AB) = ( begin{bmatrix}-6&8&2 -21&-28&7 -24&32&8 end{bmatrix} )

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