(4 points) v = {w V |w v = 0} is a subspace of V . V = R3 , (a1 b1 c1)^T (a2 b2 c2) = 2a1a2 + 3b1b2 + c1c2 Find (2 1 1)^T b.

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6.(4 points) v ⊥ = {w ∈ V |w ∗ v = 0} is a subspace of V . a. V = R3 , (a1 b1 c1)^T ∗ (a2 b2 c2) = 2a1a2 + 3b1b2 + c1c2

Find (2 1 1)^T ⊥ b. What is the angle between (2 1 1)^T and (−1 0 1)^T

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