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- If matrix A, B and C are invertible matrix of same order then (ABC)^(-1) =* C^(-1) x B^(-1) x A^(-1) С х ВХА CAT x B^(-1) x A^Tmatrix A and matrix B are defined in image calculate 3A-3B then find 6A^T:} -2 1 2 2 1 (a) Write as a linear combination of the set of matrices -1 3 Do this "directly" without using a coordinate mapping. That is, solve 1 1 11 -2 +b which will lead to a system of equations. %3D -1 1 2 1 y (b) Show that the set does not span V = :x, y, z eR} by 5 3 finding a vector (a matrix in this case) that is in V but is not in 1 span 1 Please make it clear that (or show why) your vector satisfies 0 5 3. the given conditions. Hint: You may use a coordinate mapping, but you need to define your basis and write clear explanations of your findings. 35 -11 35 1 (c) Let b, 1 -11 b, and w= Write %3D as a 5 3 78 78 1 linear combination of 2 and 5 2 1 Solve this by using a 3
- find a matrix that column space is spanned by fewer vectors than there are columns in the matrixfor Give matrix A a counterexp find and constants c and d so that Cc+d) @ A# (C@A) + (LOA) property 8. matria should include left hand side Left hand side = (C+d) A) of equation. Right hand side = (CⓇA) @ (dA) Answer should look like 20 C= a scalar d = a Scalar }} el matrix A= Centries, w rows separated by semicolons LHS = [" RHS = [" "] "]State whether the given statement is True or False. For matrix A, B. (A+B)^T = (A^T) + (B^T) and (AB)^T = (A^T)(B^T) if the orders of matrices are appropriate. * False True
- The symmetric matrix corresponding to the quadratic form X1 x2 = x} – 2x1x2 + 2x1x3 – 3x + 4x2x3 – 5x X3 takes the form a b. d e C e f, for some real numbers а, b, с, d, e,f. Enter these values, in order. AFind the matrix A (in terms of B, C, and D) if (4DA-'B)-1 = CLet B be a matrix with entries b11=2 b12=-1 b21=1 b22=-4 Find f(B)=a0In +a1B +a2B^2+....anB^n given that f(x)=2x^2 + 4x -3
- Let A be a 7x5 matrix (7 rows, 5 columns). You know that the column space of A has dimension 3. Find • The dimension of the nullspace of A . • The dimension of the column space of A^T .Define invertible matrix.True or False? Suppose that A is any n x m matrix, then the matrix A^TA will be the transpose of the matrix AA^T.