3. Solve the system of equations using Cramer's rule. 2x = 2-8y 3x+10y = 5 i. What is the coefficient matrix D? ii. What is the determinant of the coefficient matrix, |D|? iii. What are | Dx |, | Dx |? What are x and y?

Q: Q4. If the shaded area in the figure shown is 9 square units, find the value of a using determinant,…

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Q: 3. D= -T 1 -2 3 1 5 -9 6 -1 2 -6-2 2 8 6 ܐܠܟ 3 1

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Q: A = 5 -2 -5 1 a b C d - 2 1 -3 1 1 -2 9 4

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Q: If A - a (ª () C is equal to? and det A - 0 (in din) 0 a 0 c+2a d + 2b 4, then what is the…

A: This question can be solved using the concept of determinants.

Q: If A = 5    1      and B = 3     -6           3     2                   1     -3 Find: I. A2 ii.…

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Q: -1 Computing the determinant: D= 1 4 -2 -2 -2 10 2. 3.

A: The determinant of the matrix can be calculated by expanding the matrix along a row or column. The…

Q: /0 5 5 8 For the matrix A = 4 5 2 19 4 4/ A. -7 C. - 12 cofactor C₂1? B. 12 D. 7

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Q: |a² +1 ab ac The value of the determinant A= ba b2 + 1 bc equals cb c2 + 1 са A. a? + b? + c? B. 1-…

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Q: 1.) Find the area using matrix and determinants? N Bermuda (452,196) Miami (0,0) W + E Puerto Rico…

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Q: 4.) Find the Determinant Value and the variable x, & z? - x +2y -3z =1 2x + z = 0 3x -4y +4z = 2 %3D

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Q: TRUE OR FALSE? A. If AX=0 has a nonzero solution, the determinant of A is not zero. B. Suppose A…

A: Given, A. If AX=0 has a nonzero solution, the determinant of A is not zero. B. Suppose A is a 10x10…

Q: What is the cofactor of the entry a3,1 of the given determinant ? 3 -2 1 A = |-1 2 -4 -3 5 A. To

A: D)  option D is correct.

Q: Consider a 20x20 invertible matrix A whose determinant is 2. Let B be the matrix obtained from A by…

A: Given: A is a 20×20 matrix. The determinant of matrix A is 2. B is the matrix obtained by…

Q: F = -1000 315 3 -2 -7 0 -4 2 010 1 021 1 001

A: F=13153-2-70-42001010021100011 LETS USE ROW OPERATIONS AND THEN COFACTOR METHOD TO FIND THE…

Q: Use the determinant of a matrix to find the area of the triangle whose vertices are (0, 2), (4,-4),…

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Q: Q1. Find the value of determinant by using appropriate row and column operations. 3 1 3 -1 -1 1. -1…

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Q: Solve for the determinants of the items using a combination of row operations and cofactor method.…

A: We need to determine , determinant of given matrix ,  B = 3-69-27-2015 Here , det(B) = 3-69-27-2015…

Q: If the determinant of the 2x2 matrix 3 a 2 b is 7, then what is the determinant of the 2x2 matrix a…

A: To find the determinant of matrix.

Q: 0 -2-4 8 15 1. A = 1 4 1 6

A: We need to find the determinant of the given matrix using raw operations and cofactor method…

Q: Find the determinants

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Q: Explain why the determinant of the matrix B a + kc b+ kd d is equal C a to the determinant of the…

A: Given matrices are:       A =  abcd and        B =  a+kcb+kdcd.

Q: If A and B are square matrices, then the product property of determinants indicates that |AB| = |A|…

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Q: By using the properties of determinant prove that a? |b² + c² b² a? c2 + a? b2 4a?b?c? c2 c2 a² + b²

A: By using the determinant property that is:…

Q: How does the row operation affect the determinant? OA. It changes the sign of the determinant. OB.…

A: as you can see from the two matrix, Rows 1 and Rows 3 are interchanged.

Q: a bc 2a a-b a-c de f=3, then find the determinant of 2d d-e d-f g hi 28 g-h g-i A. -24 В. 24 C. -6…

A: Properties of determinants: If two rows or coloumns are identical then it's value is zero. If some…