If the product of the matrix B=\left[\begin{array}{ccc}2 & 6 & 4 \ 1 & 0 & 1 \ -1 & 1 & -1]\end{array} with a matrix A has the inverse C=\left[\begin{array}{ccc}-1 & 0 & 1 \ 1 & 1 & 3 \ 2 & 0 & 2]\end{array}, then A^{-1} equals

Correct Answer is : [−3−5−50022146]

\left[\begin{array}{ccc}-3 & -5 & 5 \ 0 & 9 & 14 \ 2 & 2 & 9]\end{array}

\left[\begin{array}{ccc}-3 & 5 & 5 \ 0 & 0 & 9 \ 2 & 14 & 6]\end{array}

\left[\begin{array}{ccc}-3 & -5 & -5 \ 0 & 0 & 2 \ 2 & 14 & 6]\end{array}

COMEDK Exam 2014 Solved Paper

Question : 159 of 180

Marks: +1, -0

If the product of the matrix B=[

] with a matrix A has the inverse C=[

], then A−1 equals

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