Consider two subspaces V and W of R'1, with V D W = {0}. What is the relationship
Chapter 3, Problem 63(choose chapter or problem)
Consider two subspaces V and W of R'1, with V D W = {0}. What is the relationship between dim(V), dim( W), and dim(V + W)? (For the definition of V + W, see Exercise 3.2.50: Exercise 3.2.51 is helpful.)
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