Question

Dadas as matrizes
a) (2 -3 /4 -1 )
B) (0 1 /2 3)
c) (-2 8/1 -3)
calcule
a)5A+3B
b)A+5B-2C
c)A+2B

Answer 1

5×[2 -3] + 3 ×[0 1]
    [4 -1]         [2 3]
   
    [ 10  -15]  +[ 0 3]
    [ 20  -5  ]    [6 9]
 
  R[{10  -12]
     [ 26   4   ]