Question

SENDO A= 1 5 -4 1, B = 2 -2 -3 0 E C= 1 0 -1 4 DETERMINE

a) AxB
b) AxA
c) AxB + BxC

Answer 1

a) 15-41 x 2-2-30=
15-82-2-30=
-99

b) 15-41 x 15-41=
15-641-41=
-641

c) 15-41 x 2-2-30 + 2-2-30 x 10-14=
15-82-30-2-300-14=
-413