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Unformatted text preview: C + Dt to ﬁt b = 1 , , 2 , 1 , 4 , 3 , 5 at times t =-3 ,-2 ,-1 , , 1 , 2 , 3. pr.5 Compute the determinant of the matrix A = 7 9 5 6 2 11 0 3 8 13 7 7 . pr.6 For each of the following answer True or False. (a) If A is a square matrix with determinant 2010, then the dimension of Null ( A T ) is zero. (b) If the vector v is orthogonal to itself, that is v · v = , then v = . (c) If A is 7 × 9 matrix with rank 5, then dim ( Null ( A T )) = 4. (d) The projection of a vector onto a subspace V is always a vector in V . (e) If the vectors a and b are orthogonal, and the vectors b and c are orthogonal, then the vectors a and c are orthogonal....
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