The parallelogram with sides (2,1) and (2,3) has the same area as the parallelogram with
Chapter 4, Problem 4.4.30(choose chapter or problem)
The parallelogram with sides (2,1) and (2,3) has the same area as the parallelogram with sides (2,2) and (1,3). Find those areas from 2 by 2 determinants and say why they must be equal. (I cant see why from a picture. Please write to me if you do.)
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer