If A=[2−39] , B=[0−12] and C=[−2−86], find A+B-C
[44−5]
[4−45]
[445]
[−445]
A+B=[2−39]+[0−12]=[2−411]
A+B−C=[2−411]−[−2−86]=[445]
Let A=[2432],B=[13−25],C=[−2534]. Find each of the following: (i)A+B
(ii)A-B
(iii)3A-C
(iv)AB
(v)BA
If A=[436−8],B=[1−3−62] Find a matrix C such that C=A-2B
Given A=[2−620],B=[−3240]andC=[4002] Find the matrix X such that A + 2X = 2B + C.