Let A=[210−2],B=[41−3−2] and C=[−32−14] Find: A2+AC−5B
If A=[12−31] and B=[11−143]
Find Matrix X, given that X-5A=3B
If A=⎡⎢⎣28−40−1−23−15⎤⎥⎦ Find A+A'
If A=[1tan x−tan x1],ATA−1= ___