Question

sendo a= 2 1 3 2 e b= 1 5 2-2 determine:
i) (5A-B)t

Answer 1

a= 2 1 3 2 e b= 1 5 2-2 :
(5A-B)t =( 10 -1 5-5 15-2 10+2 )=
(9 0 13 12 ) ^T =

(9 )
(0 )
(13)
(12)