Question

4. If A={4 - 5 then find - 5A.
-2 3}​

Answer 1

Explanation:

We can simplify the given a=(3b+c)+5b a bit as:

XXXa=8b+c

Given that b=<6,3>

then

XXX8b=<6⋅8,3⋅8>=<48,24>

and given that c=<−4,8>

we have

XXXa=<48,24>+<−4,8>

XXXX=<48−4,24+8>

XXXX=<44,32>