For matrix A = \left[\begin{array}{cc}2 & 5 \ −11 & 7 \ ]\end{array}, (adj A)' is equal to :

\left[\begin{array}{cc}−2 & −5 \ 11 & −7 \ ]\end{array}

\left[\begin{array}{cc}7 & 5 \ 11 & 2 \ ]\end{array}

\left[\begin{array}{cc}7 & 11 \ −5 & 2 \ ]\end{array}

\left[\begin{array}{cc}7 & −5 \ 11 & 2 \ ]\end{array}

Agniveer Vayu or IAF Group X 18 Jan 2023 Paper

Question : 45 of 70

Marks: +1, -0

For matrix A = [

2	5
−11	7

], (adj A)' is equal to :

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