Let U and W be orthogonal subspaces
1) prove that U W = {0}
2) if { }is a linearly independent subset of U and { }is a linearly independent subset of W, prove that { } is a linearly independent set in V.
Let U and W be orthogonal subspaces
1) prove that U W = {0}
2) if { }is a linearly independent subset of U and { }is a linearly independent subset of W, prove that { } is a linearly independent set in V.