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Find All the Cofactors of the Matrix [674−8]\left[ \begin{array} { c c } 6 & 7 \\4 & - 8\end{array} \right]

Question 95

Multiple Choice

Find all the cofactors of the matrix. [674−8]\left[ \begin{array} { c c } 6 & 7 \\4 & - 8\end{array} \right]


A) C11=−7,C12=−4,C21=−6,C22=8C _ { 11 } = - 7 , C _ { 12 } = - 4 , C _ { 21 } = - 6 , C _ { 22 } = 8
B) C11=−6,C12=−4,C21=−7,C22=8C _ { 11 } = - 6 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 8
C) C11=−8,C12=−4,C21=−7,C22=6C _ { 11 } = - 8 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 6
D) C11=8,C12=4,C21=7,C22=−6C _ { 11 } = 8 , C _ { 12 } = 4 , C _ { 21 } = 7 , C _ { 22 } = - 6
E) C11=−6,C12=−7,C21=−4,C22=8C _ { 11 } = - 6 , C _ { 12 } = - 7 , C _ { 21 } = - 4 , C _ { 22 } = 8

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