Web8 apr. 2012 · ? where adj (A) is adjoint of A and det (A) is determinant of A. We know that inverse of matrix is calculated using formula: Multiplying this equation by A, we can write as and and From above, we can say that det (A)I=A.adj (A) and det (A)I=adj (A).A From above equations, we can say that A.adj (A)=adj (A).A=det (A)I which is the desired result. Web30 mrt. 2024 · Then adj A is equal to A. A B. A 2 C. A 3 D. 3 A We know that 𝑎𝑑𝑗 𝐴 = 𝐴 ^ (𝑛 − 1) where n is the order of Matrix A Here, n = 3 𝑎𝑑𝑗 𝐴 = 𝐴 ^ (3 − 1) = 𝐴 ^2 Hence, B is the correct answer Nonsingular: Where 𝐴 ≠ 0 Ex 4.5, 17 (Method 2) Let A be a nonsingular square matrix of order 3 × 3.

If A = [ a 0 0 0 a 0 0 0 a ] , then the value of - Toppr

Web14 jun. 2024 · Best answer We have matrix A = [ 2 5 1 3] [ 2 5 1 3]. The minor of elements a11, a12, a21 and a22 of matrix A are M11 = 3, M12 = 1, M21 = 5 and M22 = 2, respectively. Cofactor of element a11 of matrix A is A11 = (-1)1+1M11 = 3 Cofactor of element a12 of matrix A is A12 = (-1)1+2M12 = -1 Cofactor of element a21 of matrix A is … WebFirstly we find the determinant of A as shown below: ∣A∣=a[(a)(a)−(0)(0)]−0[(0)(a)−(0)(0)]+0[(0)(0)−(0)(a)] ∣A∣=a[a 2]−0+0 ∣A∣=a 3 Now to find … chelsea mcbride

If A = [(1,2),(2,1)] then adj A = (a) [(1,-2),(-2,1)] (b) [(2,1),(1,1 ...

Webadj A = a a a [ a 2 0 0 0 a 2 0 0 0 a 2] ∴ adj A = a a a [ a 2 0 0 0 a 2 0 0 0 a 2] = a6. Concept: Elementary Transformations. Is there an error in this question or solution? … Web14 jun. 2024 · Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto … Web8 apr. 2012 · Multiplying both the sides by A, we get equation of the form: Dividing both the sides by det (A), the equation becomes. (1) To find inverse of adj (A), we apply the general formula which we use to find inverse: (2) Now, we know that. , putting this in equation (2) and putting equation (1) in equation (2), we get. chelsea mccallum obituary