Are these points collinear? а) А(-2, 5), В(0, 2), and C(4, — 4) b) D(-1, — 1), Е(2, — 2), and F(5, —5)

Q: (m) For ro = -8, 11 = -7, 12 = -6, 13 = -5, I4 = -4, f(z1)Ar,

A: Given

Q: Find JA|, |B|, AB, and |AB|. 1 4 2 -3 0 A = -2 -4 1 B = 1 -1 3 3 1 2 11 (a) JA| (b) |B| (с) АВ (d)…

A: Find the determinant

Q: 9. Let u = : (4, -1), v = (0, 5), and w = (-3, -3). Find the com- ponents of a. u + w c. 2(u - 5w)…

A: We have u=(4,-1)v=(0,5)w=(-3,-3)

Q: Are any of these expressions are valid? State your reason for each. If an expression is invalid, you…

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Q: Give an example of C = diag(c1, C2, C3) and D = diag(dı, d2, d3) where Tr(C) det(D), but C is not…

A:

Q: 1. (2u). (2v) = 2 (u.v) 2. (7x+3y). (6x + 4y) = Note: u. (vw) = u(v + (−1)w) =u.v+u.(-1)w =u.v +…

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Q: Let (4A)−¹= 2 4 -3 2 Get At.

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Q: no yes

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Q: Find w, x, y, and z so that W X 4 3 8 -3 2 4 -4 |

A:

Q: In Exercises 15-18, use the given information to find A. -3 -3 [1] -1 5 2 15. (7A)-¹ -3 =[² 1 17. (I…

A: Note: Since you have posted multiple questions. We will solve the first question for you. To get the…

Q: Calculate (3xy + 4e) ds, where S is the triangle with vertices (0, 0, 3), (1.0, 2), and (0,4, 1).…

A:

Q: A B D (i), (iv) (i), (iii) (ii), (iii) (i), (v) (ii), (iv) Find U10 and U12: (i): U10 = {1,3,7,9}…

A: Answer is A

Q: A B D E (i), (iv) (i), (iii) (ii), (iii) (i), (v) (ii), (iv) Find U10 and U12: (i): U10 = {1,3,7,9}…

A: Please find attachment

Q: Pretend u x v = (0, 3, 2). What is (6u + 3v) × u? A) (0, 18, 12) B) (0,0, 0) C) (0, –9, –6) D) (0,…

A: To find the value of the given cross vector.

Q: 9. 12 (7x + 5) TW

A: