
[A] You proved that V1∩ V2 is a subspace of R4 of dimension.
(a) Find a basis for V1 ∩ V2.
[B] An orthogonal basis is orthonormal if the norm of every element in the basis is equal to
(a.) Find an orthonormal basis for (V1∩ V2).
[C] Find an orthogonal basis for V1 ∩ V2.