Which of the following is the inverse of the matrix A= ( begin{bmatrix}8&1 1&2 end{bmatrix} )?

Question

Which of the following is the inverse of the matrix A= ( begin{bmatrix}8&1  1&2 end{bmatrix} )?

TuteeHUB · Accepted Answer

(  begin{bmatrix}  frac{2}{15}&  frac{1}{15}      frac{1}{15}&  frac{4}{15}  end{bmatrix}  )

TuteeHUB · Answer

(  begin{bmatrix}  frac{2}{15}&-  frac{1}{15}      frac{1}{15}&  frac{8}{15}  end{bmatrix}  )

TuteeHUB · Answer

(  begin{bmatrix}  frac{1}{15}&-  frac{1}{15}    -  frac{1}{15}&  frac{1}{15}  end{bmatrix}  )

TuteeHUB · Answer

(  begin{bmatrix}  frac{2}{15}&-  frac{1}{15}    -  frac{1}{15}&  frac{8}{15}  end{bmatrix}  )

TuteeHUB · Answer

(  begin{bmatrix}  frac{2}{15}&  frac{1}{15}      frac{1}{15}&  frac{4}{15}  end{bmatrix}  )

1.	Which of the following is the inverse of the matrix A= ( begin{bmatrix}8&1 1&2 end{bmatrix} )?
A.	( begin{bmatrix} frac{2}{15}&- frac{1}{15} frac{1}{15}& frac{8}{15} end{bmatrix} )
B.	( begin{bmatrix} frac{1}{15}&- frac{1}{15} - frac{1}{15}& frac{1}{15} end{bmatrix} )
C.	( begin{bmatrix} frac{2}{15}&- frac{1}{15} - frac{1}{15}& frac{8}{15} end{bmatrix} )
D.	( begin{bmatrix} frac{2}{15}& frac{1}{15} frac{1}{15}& frac{4}{15} end{bmatrix} )
Answer» D. ( begin{bmatrix} frac{2}{15}& frac{1}{15} frac{1}{15}& frac{4}{15} end{bmatrix} )

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