The answer to the question is m = 2
The answer is 2m because it is like if you had 3 mangoes and you eat one you would have 2 mangoes.<span />
This is a square matrix whose entries are real and rows and columns are orthogonal unit vectors.
They are the opposite of each other. Like if one function has the point (1,3) the inverse function with have the point (3,1)
