if 2[130x]+[y012]=[5618], then the value of x and y are
If A−1=⎡⎢⎣3−11−156−55−22⎤⎥⎦ and B=⎡⎢⎣12−2−1300−21⎤⎥⎦, find (AB)−1.
If A=[3−24−2]andI=[1100], then find k so that A2=kA−2I.
Let A=[2432],C=[−2534].
Find the value of following: 3A-C
If A=[31−12], show that A2−5A+7I=0. Hence, find A−1