-1 21 Let k be a real number and A =| 2 L-1 3 7 kl Then determinant of the matrix A is equal to O 6k-30 O None of these O 3k+12 O 30-6k

Q: 5. A sequence of elementary row operations was applied to a matrix A to put it in an upper…

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Q: [2 4 61 Let k be a real number and A = |1 k 9. Then determinant of A is [2 5 7 O None of these 8-k O…

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Q: = -10. Let B be a matrix obtained from A using the Assume that A is a 3 by 3 matrix such that det(A)…

A: p

Q: 1 1 -8 1 -4 -2 А — 1 JA → 5 0 E A → 1 0 EEA → 1 0 E3 E2EA =| 0 -9 -6 1 1 0 0 1 -4 5 E E2 E3 E4 What…

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Q: [1 1 5 2 1 21 (1) Let A = 0 2 B C =|1 3 l3 -1. I-2 3 -21 1. Calculate (if it possible): a) AXB. b)…

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Q: 5. A sequence of elementary rew operations was applied to a matrix A to put it in an upper…

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Q: [2 4 6 Let k be a real number and A = |1 k 9. Then determinant of A is l2 5 7] %3D O 2k-16 O None of…

A: Given: A=2461k9257                                      k is a real number To find: Determinant of A…

Q: 3 24 Find the inverse of if it exists. -4 a. does not exist c. 1 1 4 3 b. -1 d. -1 -1 1 -4 -3 4 25…

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Q: A B Determinant of C D = AD - CB Given the matrix -3 9. Find the Determinant of this matrix. 4 -3 (A…

A: This question can be solved by applying the formula given in problem.

Q: [2 4 61 Let k be a real number and A k 9|. Then determinant of A is 12 5 7[ O 2k-16 O 8-k O None of…

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Q: 2 4 6] 1k 9.Then determinant of A is [2 5 7 Let k be a real number and A O k-8 O None of these 2k-16…

A: Topic: determinant of matrix

Q: 12 4 Let k be a real number and A = |1 k 9. Then determinant of A is l2 5 7] O None of these O 2k-16…

A: We are given , 2461k9257 determinant will be given by  2[7k-45]-4[7-18]+6[5-2k] 14k-90-28+72+30-12k…

Q: 1. Find the determinant of the following two matrices using cofactor expansion along a row or column…

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Q: 7. Suppose A =| či č2 čs Ĉ4 is a 4 x 4 matrix, partitioned into its four columns, and det(A) = -20.…

A: "Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: a) The matrix B is a 3 x 3 matrix and det(B) = 3. Give the reduced row echelon form of B. b) Compute…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: '5 (a) Given that A = 7 1 ).B = ;). and C = find 3 -2 1 2 ЗА + 2B — С (1 1 (b) Given the matrix, A =…

A: Using algebra of matrices we can solve.

Q: 31 9. Then determinant of A is 7] [1 2 Let k be a real number and A= 1 k L2 5 O 2k-16 O k-8 O 8-k…

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Q: [2 4 6] k Let k be a real number and A = 1 9|. Then determinant of A is l2 5 7

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Q: [2 4 6] Let k be a real number and A = 1 k 9. Then determinant of A is [2 5 7 None of these 2k-16 O…

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Q: 3) For the matrix [2 1 -1 2 3 1 -1 3 a) Compute the determinant BY DEFINITION, I want to see you…

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Q: \o 1 15/\z/ \2] 15 If the eigen values of a matrix are –1,2 and 5, what is the determinant of the…

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Q: [1 4 21 (a) (i) Evaluate the determinant of a matrix A = 0 1 2 by cofactor expansion 1 2 3 along the…

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Q: (1 0 o' Consider a matrix A = |2 z y with integer entries and determinant –5. Then a possible value…

A: C) 10

Q: 13t Let N be the matrix defined by N = р 13д г х 13у 2 The determinant of N is: O -1310 O -134 O…

A: To find the determinant of the matrix.

Q: 12. Which of the following represent the identity of 14. Find the determinant of the matrix a 3x3…

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Q: 1 Let v, = 4 V2 V3= -4 6. 1 -2 Using determinants in all of the following questions, verify that (a)…

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Q: [3 1 2 19. Compute the determinant of the given matrix. A = 3 -1 -1 3 A. -3 В. -33 С. 33 D. 3 B.

A: In this question we have to find determinant of the given matrix.

Q: 1 2 4 Let A be a 3×3 matrix A = 0 0 3 then the determinant of the 0 0 -1 matrix A17 + A10 – I is

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Q: 6. Evaluate the determinant for the following matrix: O A.8 OB.-2 O C.5 O D.4 3-5 1

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Q: 3 2 2 01 5 -4 1 Find the determinant of the matrix 4 -5 3 7 2 by the cofactor method. 3 L4 2 3 0- O…

A: det(A)=sum of  multiplication of elements and its corresponding co factors of any row or any column

Q: [1 Let A be a real number and A = k [2 -1] Then the determinant of A is: -3 1 0 1

A: let A be a real number

Q: and the đesired inverse matrix i3 21 -7 1 6 31 -8 99 -9 |8| 3 12 You can check that the results in…

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Q: 3 -5 6. Evaluate the determinant for the following matrix: 1 O A. 8 О В. -2 О С. 5 O D. -4

A: Solving the problem by finding the value of the determinant.

Q: (1 2 4 Let A be a 3x3 matrix A = 0 0 3 then the determinant of the 0 0 -1 matrix A17 + A10 – I is

A: Here given that A be a 3×3 matrix A=1  2   40  0   30  0-1 We have to find the determinant of the…

Q: 3. Let A be a real number and A -3 Then the determinant of A is: 12 O -2k-2 O k+1 None of these O…

A: The given matrix is as follows.

Q: 5. Let a, b e R. Compute the determinant of the following n x n matrix a 9. ... b. 0. 0 0 a ... 0.…

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Q: [1 2 0 If is A= 3 4 0 create a matrix B whose entries are three times the difference of an identity…

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Q: 8 3 The determinant of the matrix A ) is det (A) -3 -4 Does the matrix have an inverse? Yes v O

A: Use the formula and calculate the determinant.

Q: こ 4 Questior - Let A -t (a) i:]Find the determinant of the matrix A. (b) ! ] Find the possible…

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Q: |1 2 1 The determinant of the matrix 0 1 2 is lo 1 21 Select one: О а. 1 O b. 0 О с. 2 O C.

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Q: 1 -11 Let A : -1 2 and B = A3 – A² – -2 4A + 5l, where I is the 3 x 3 identity matrix. The…

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Q: -3 Let A = -1 -3 3 -1 (a) Find the determinant of A. det(A) (b) Find the matrix of cofactors of A. C…

A: topic - matrices

Q: 3.10. Let A be a square matrix. Show that block triangular matrices ó :). (: :). (! :). (: ?) I A I…

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Q: [a b CT 3g 3h 3i Let A = d Lg h f and B 2d 2e 2f e а — 2d b - 2e – 2f C - If determinant of A is…

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Q: [1 2 31 1 k 7 Let k be a real number and A: 9. Then determinant of A is L2 5

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Q: 5 (a) Let A be the matrix 12] Find the determinant of A3. 12 29 7. (b) The matrix A has LDU…

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Q: 7. For XER³ find an x#0 of Equ A by 3 find an i+0 of Equ A by selecting a proper corresponding value…

A: For the detailed solution of the problem follow the next steps.

Q: Example D The second-order difference equation whose fundamental system of solutions is (1) = k, -hk…

A: Only expand the determinant in proper way.