In Problems 17-20, find the matrix
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Fundamentals of Differential Equations and Boundary Value Problems
- Problem 10 Let 8: M2x2(F) → F be a function with the following three properties. (1) 8 is a linear function of each row of the matrix when the other row is held fixed. (2) If the two rows of A € M2x2(F) are identical, then (A) = 0. (3) If I is the 2 × 2 identity matrix, then 8(I) = 1. Prove that 8(A) = det(A) for all A ¤ M2×2(F).arrow_forwardNot yet answered Marked out of 2.00 If A = [1 2 3], which type of the given matrix A ?arrow_forward1. (a) For the matrix compute the inverse, A-¹. A = 1 2 0 3 2 0 -2 1 3 Bx= (b) Suppose you know that, for a matrix B, one has B-1 What is the solution of the following system of linear equations: 2 3 -2 1 1 0 1 1 2 ? 2 -1 2arrow_forward
- 3 If A is non singular matrix whose inverse 2. fnd A. %3Darrow_forwardUse Numpy or SciPy to help solve the following problems. [1 1 1] 2 -21 0 Fc- 2 3 1, F [1 2 1 1 [1 0 1. Let A = 1 1 LO 1 = 1 01 -3 0 2, and v 21. -1 1 = Without calculating the inverse of any matrix, determine w and x. a. w=A¹ (C+ F) v b. x = (F+24) C-¹ v 6 7 -3.arrow_forward3. (a) Solve the matrix equation for X: -1 0 1 1 2 1 1 -3 1 -1 | 3 1 1 1 3 (b) If possible, express A = 2 3 as a product of elementary matrices..arrow_forward
- (4) Given matrix A = ( 2 −1 3 5 ) , and that h(T) = T 2 − 2T − 7, find h(T). ??????? ??? ? (1) A course repeater claims that his brother who did some Calculus at college years ago, but currently on some cough medication, believes that the first derivative of f(x) = (2x 2 − 1)(x 2 + 3) x 2 + 1 is f ′ (x) = [ 4x 2x 2 − 1 + 2x x 2 + 3 − 2x x 2 + 1 ][ (2x 2 − 1)(x 2 + 3) x 2 + 1 ] and that the first derivative of g(x) = (x 2 + 8) 7 (2 − 3x2) 5 is g ′ (x) = [ 14x x 2 + 8 + 30x 2 − 3x2 ] [ (x 2 + 8) 7 (2 − 3x2) 5 ] Using the product, qoutient and chain rules you learnt in Unit 7 of this Course, could you confirm whether his brother is right, wrong or a little tipsy. (2) In the following triangle below, the degree measures of the three interior angles and two of the exterior angles are represented with variables and expressions. (a) Find the size of each of the interior angle.arrow_forward3. Suppose we have a matrix A = 1 1 101 1 2 2 What is rank of A?arrow_forward1. Give an example of a 2 x 2 matrix with no inverse ( singular). Show how it become singular 2. Give example showing a matrix that t A-l = A.arrow_forward
- f0.2 0.3 0.2] [30] (c). If input matrix is 0.4 0.1 0.2 and its final demand is 15, what are the solution lo.1 0.3 0.2l liol output levels for the three industries? (Round off answers to two decimal places.)arrow_forwardPleasearrow_forward3. 1 Given the matrix D = 2 3 1 -3 -2 4 -2 " find the inverse matrix of D.arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage