8. Let x and y be vectors in 3-space, and suppose u is orthogonal to both x and y. Prove that u is also orthogonal to k₁
Posted: Thu Jul 07, 2022 2:21 pm
8. Let x and y be vectors in 3-space, and suppose u is orthogonal to both x and y. Prove that u is also orthogonal to k₁x + k₂y, for every pair of scalars k₁ and k₂.