If A = \left[\begin{array}{cc}x & 2 \ \text{ 4} & 3 \ ]\end{array} and A^{−1} = \left[\begin{array}{c}\\\{1\end\frac{array}{8} , \frac{−1}{12} ; \text{ \frac{−1}{6}} , \frac{4}{9} ; ]}, then find the value of x?

Agniveer Vayu or IAF Group X 13 July 2021 Shift 1 Paper

Question : 42 of 70

Marks: +1, -0

If $A = {[\table x , 2 ; \text" 4" , 3 ; ]}$ and $A^{−1} = {[\table \;{1}/{8} , \;{−1}/{12} ; \text" \;{−1}/{6}" , \;{4}/{9} ; ]}$, then find the value of x?

$\;{28}/{3}$
$\;{32}/{3}$
$\;{34}/{3}$
10

Validate

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