Question

0/1 pts Inooreat Question 9 Suppose W is a subspace of R" spanned by n nonzero orthogonal vectors. Explain why WR Two subspaces are the same when one subspace is a subset of the other subspace. Two subspaces are the same when they are spanned by the same vectors Two subspaces are the same when they are subsets of the same space Two subspaces are the same when they have the same dimension Incorrect 0/1 pts Question 10 Let U be a square matrix with orthonormal columns. Which of the following is true of the columns of U? They are the same as the rows of U The inner product of each pair of column vectors is 0 Each column vector has unt length They are linearly independent. B. C. D are oorrect A C, D are corect All A, B. C. D are comect 18 Q Search 0/1 pts Incorrect Question 9 Suppose W is a subspace of R" spanned by n nonzero orthogonal vectors. Explain why W-R Two subspaces are the same when one subspace is a subset of the other subspace. Two subspaces are the same when they are spanneed by the same vectors. Two subspaces are the same when they are subsets of the same space. Two subspaces are the same when they have the same dimension. 0/1 pts Incorrect Question 10 Let U be a square matrix with orthonormal columns. Which of the following is true of the columns of U? They are the same as the rows of U. The inner product of each pair of column vectors is 0. Each column vector has unit length. They are linearly independent B, C, D are correct. A, C, D are correct All A, B, C. D are correct.

Answer 1

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