- #1
CDrappi
- 15
- 0
Homework Statement
Suppose that A is a real symmetric n × n matrix. Show that if V is
a subspace of R^n and that A(V) is contained in V , then A(V perp) is contained in V perp.
Homework Equations
A = A_T (A is equal to its transpose)
The Attempt at a Solution
I have no idea where to start