Question

A=[4 -2 5] B= |2| then A.B=
|0|
|3|​

Answer 1

aubnc={3,4,5}

Step-by-step explanation:

B={4,7,8}

c={3,6,9}

bnc={ }

aubnc={3,4,5}

Answer 2

Step-by-step explanation:

[4×2 -2×2 5×2] = [8 -4 10]