Exercise 7.2.5 Find the following determinant by expanding (a) along the first column and (b) along the third row. 2 3 1 4 3 1 3 1 1212 101 2 12

Q: Let A 1 1 A = 1A -1 1 Then answer the following. (a) Determine a;ı · (a2 x a3), for i = 1, 2, 3. (b)…

A:

Q: The integer n = 12700140x3243243 is missing the digit x. a) If n congruent to  3 (mod 9), then what…

A: According to the given information, Consider the given integer n:

Q: 9. 4 -6 -21 7 3. 8 -3 4 -7 8 8 0 13 17 31 7 9 4 23 4. -6 11 0 3 6 0

A:

Q: Evaluate each determinant in Exercises 1-10. 1. 5 7 2. 4 5 6 8 3 3. -4 1 4. 7 9. 6. -2 -5 5. -7 14 1…

A: Determinant is calculated only for square matrices. A square matrix is a matrix with same number of…

Q: Compute the following determinant. 4 4 2 -5

A:

Q: Question 4 of 20: Select the best answer for the question. 4. Evaluate the following determinant: O…

A:

Q: Find the determinant of S = [321 3 2 0 1 -2 310 1 023 2

A: Matrix given is,

Q: Write down the determinant of the following matrix. 1 1 0 2 2 1 2 3 02-25 0 1 1 1 2 -3 02000 1 1

A:

Q: Reduce the given determinant to upper triangular form 2 32 14 26 104 26-13 2 56 2 7 40 15 1 12 23 2…

A: The determinant of an upper triangular matrix is the product of diagonal elements.

Q: Confirm the following identity without evaluating the determinant directly a₁ b₁+ta₁ c₁ +rb₁+sa₁ a2…

A:

Q: Use Gaussian Elimination to find the determinant 12 3 25 8 38 10

A: We have to find determinant.

Q: Compute the determinant of B [400 9501 3 2 28 800 101

A: The matrix is given by B = 40041056322880010 To determine: The value of determinant of the matrix.

Q: E = F = [2 13 101 1 0210 0 1 2 3 1 -2 0 0 315 3 -7 0 -4 2 010 021 1 001

A:

Q: Compute the determinant by cofactor expansion. At each step, choose a row or column that involves…

A:

Q: Compute the following determinant by cofactor expansions. At each step, choose the row or column…

A: We have to find the determinant of matrix using cofactor method

Q: Evaluate the following determinants by inspection:

A:

Q: Compute the following determinants

A:

Q: Find the determinant of the matrix: 2. 1. 3. Rememberj

A:

Q: Use elementary row or column operations to find the determinant. 4720 4-8 8578 9824 Need Help? HON H…

A:

Q: 1212 2121 3223 니 니

A:

Q: a. Use cofactor expansion to compute the determinant of A. b. Use elementary row operations to…

A:

Q: Find the value of the following determina

A: Given data: The expression for the determinant is △=2003-4-2231. The value of the determinant can be…

Q: 1 2 31 -1 1. -2 1 2 -1 -3 -2 -3 0- 8 9. 2 41 \-1 6 -1 3 3 4 0 0 1 -2 | 2.

A:

Q: Evaluate the determinant A by any method, |1 3 6 2 1 0 2 |0 A = |3 2 3 0 2 9 5 1 0 10 0 8 6 0 1 2

A: Consider , A = 1310206223302951010086012 We need to find determinant of A. For that we will use ,…

Q: Compute the following determinant. 4 -6 |-4 1|

A: Given

Q: 19 Find the determinants of U and U-¹ and U2. [1 4 6 U = 0 2 5 0 0 3 and b - [8 d U =

A: To find the determinants of U, U-1 and U2. (i) U=146025003 (ii) U=ab0d

Q: 1 -2 3 1 5 -9 3 Calculate the determinant using expansion by the second row: -1 2 -6 -2 8 1 6

A: Let A=abc  def  ghi , then the determinant, |A|=aei-fh-bdi-fg+cdh-eg .

Q: Let 2 -4 1 -1 1 1 3 -2 A = -3 1 1 1 2 2 -2 -1 1 -2 1 Evaluate the determinant of A.

A: Given a 5×5  matrix. To evaluate the determinant, we keep on reducing the matrix by performing row…

Q: Compute the determinant by cofactor expansion. At each step, choose a row or column that involves…

A: We have to compute the determinant by cofactor expansion

Q: Evaluate the following determinant. 4 -4 0 -1 3 1 9-

A: we have to find the following determinant

Q: Find the determinant of x from the given matrix: 4 -123 2021 10 301 14 2 4 5 -35 -30 -28 -25

A:

Q: Calculate the determinant of 2x² + 3X + 5 O 23931 O 13249 O 12394 O 23419

A:

Q: -1 2 1 -4 -3 (c) 1 -1 -1 1 1 3.

A:

Q: a (a) Find the value of a for which 1 and 4 are perpendicular. -0-0 1 0 -1 (b) If A 0 22 , calculate…

A: