Question: If A, B are two in X n orthogonal matrices, then AB is also an orthogonal matrix. {3 True {3 False Question 12 Find the

If A, B are two in X n orthogonal matrices, then AB is also an orthogonal matrix. {3 True {3 False Question 12 Find the least-squares solution if: to the equation 1 1 2 U 2 ii: 2 l l 4 Suppose = (1'1, m3 }, then w1=i i. 132 =l l. Question 13 Fill in the blank 1with an integer. The distance of {5, 3, 5] to the subspace spaned by {(2, 0, 1], (2., 5, 4)} is

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