Question Number 85036 by gopikrishnan last updated on 18/Mar/20
![If A= [((x x x )),((4_(2 ) −2_3 1_4 )) ]findX if p(A)=3](Q85036.png)
$${If}\:{A}=\begin{bmatrix}{{x}\:\:\:\:{x}\:\:\:{x}\:\:}\\{\underset{\mathrm{2}\:\:} {\mathrm{4}}\:−\underset{\mathrm{3}} {\mathrm{2}}\:\:\:\underset{\mathrm{4}} {\mathrm{1}}}\end{bmatrix}{findX}\:{if}\:{p}\left({A}\right)=\mathrm{3} \\ $$$$ \\ $$$$ \\ $$
Commented by jagoll last updated on 18/Mar/20
$$\mathrm{p}\left(\mathrm{A}\right)\:\mathrm{is}\:\mathrm{determinant}? \\ $$