If A=\left[\begin{array}{ccc}-1 & 1 & 2 \ 1 & 2 & 3 \ 3 & 1 & 1]\end{array} then the inverse of (A I)^t (where I is an identity matrix) is

Correct Answer is : [1−85−17−41−53]

\left[\begin{array}{ccc}1 & -8 & 5 \ -1 & 7 & -4 \ 1 & -5 & 3]\end{array}

\left[\begin{array}{ccc}-1 & 1 & -1 \ 8 & -7 & 5 \ -5 & 4 & -3]\end{array}

\left[\begin{array}{ccc}1 & 8 & -5 \ -1 & 7 & -4 \ 0 & 5 & 3]\end{array}

\left[\begin{array}{ccc}1 & -1 & 1 \ -8 & 7 & -5 \ 5 & -4 & 3]\end{array}

COMEDK 2024 Shift 1 Paper

Question : 74 of 180

Marks: +1, -0

If A=[

] then the inverse of (AI)t (where I is an identity matrix) is

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