Q1: If (u,v) = (((,,a,,a,), (1;,6,63)) = a,b – a,b, + a,b; show that (u, v)...
Let T R3 R4 be the linear transformation defined by T(π1, Ο2, 73) - ( 3α1 -4 , X3, 12.x2 3.x3, 6x1-25x3, 10x2 + 10x3) (a) Determine the standard matrix representation of T (b) Find a basis for the image of T, Im(T), and determine dim(Im(T)) (c) Find a basis for the kernel of T, ker(T), and determine dim(ker(T))
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2. (a) Let V be a vector space on R. Give the definition of a subspace W of V 2% (b) For each of the following subsets of IR3 state whether they are subepaces of R3 or not by clearly explaining your answer. 2% 2% (c) Consider the map F : R2 → R3 defined by for any z = (zi,Z2) E R2. 3% 3% 3% 3% i. Show that...
Problem 3. Let V and W be vector spaces, let T : V -> W be a linear transformation, and suppose U is a subspace of W (a) Recall that the inverse image of U under T is the set T-1 U] := {VE V : T(v) E U). Prove that T-[U] is a subspace of V (b) Show that U nim(T) is a subspace of W, and then without using the Rank-Nullity Theorem, prove that dim(T-1[U]) = dim(Unin (T))...
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3. Let V be finite dimensional vector space. T is a linear transformation from V into W and E is a subspace of V and F is a subspace of W. Define T-(F) = {u € V|T(u) € F} and T(E) = {WE Ww= T(u) for someu e E}. (a) Prove that T-(F) is a subspace of V and dim(T-(F)) = dim(Ker(T)) + dim(F n Im(T)) (b) Prove that...
P.2.16 Let V= span {AB-BA : A, B E Mn. (a) Show that the function tr : M,,-> C is a linear transformation. (b) Use the dimension theorem to prove that dim ker tr = n2-1. (c) Prove that dim V = n2-1. (d) Let Eij=eie), every entry of which is zero except for a 1 in the (i, j) position. Show that k,-OikEil for l i, j, k, n. (e) Find a basis for V. Hint: Work out the...
4. The following vectors form a basis for R. Use these vectors in the Gram-Schmidt process to construct an orthonormal basis for R'. u =(3, 2, 0); uz =(1,5, -1); uz =(5,-1,2) 5. Determine the kernel and range of each of the following transformations. Show that dim ker(7) + dim range(T) = dim domain(T) for each transformation. a). T(x, y, z) = (x + y, z) of R R? b). 7(x, y, z) = (3x,x - y, y) of R...
Let T: R3 → R3 be the linear transformation that projects u onto v = (9, -1, 1). (a) Find the rank and nullity of T. rank nullity (b) Find a basis for the kernel of T.
P.3.31 Let V be a complex vector space. Let T : Mn → V be a linear transformation such that T(XY) = T(YX) for all X, Y E Mn. Show that T(A) = (trA)T(In) for all A EM, and dim ker T = n² – 1. Hint: A = (A - tr A)) + tr A)In.
3. Let U be a subspace of R", and let p :R" Rº be the projection v H proju v. Prove that a) p is a linear operator b) im T = U and ker T = U1 c) dim U + dim Ut = n.
Problem 6. Let V, W, and U be finite-dimensional vector spaces, and let T : V → W and S : W → U be linear transformations (a) Prove that if B-(Un . . . , v. . . . ,6) is a basis of V such that Bo-(Un .. . ,%) s a basis of ker(T) then (T(Fk+), , T(n)) is a basis of im(T) (b) Prove that if (w!, . . . ,u-, υ, . . . ,i)...