Question

If a=(-1 -3 2 2 5 -1 -4 -5 -4) and b=(3 3 5 2 -5 2 -4 -1 1) find AB?
​

Answer 1

The correct answer is -54

Answer 2

what is the control ofprice floir or price celling then scplain one advantage an one dissvantage