Suppose that a and b are two column vectors of the same size. Select all true statements from the list below:the product a.*b^2 gives an errorthe product a'*b gives an errorthe product a'.*b' gives an errorthe product a.*b' is equal to a'.*bthe product a.*b' gives an errorthe product a.*b gives an errorthe product a'.*b gives an errorthe product a*b gives an error