Question 2 (4 Marks) show key steps Consider the vector space P3 (R). Let Z =...
Consider the vector space P3 (R). Let Z = Span ({1 – x + x2 23,1 + 2x + 3x2 + 4x3, x + x3}). Is 6+ 7x + 8x2 + 9x3 E Z? . Consider the vector space M2x2(C). 1 1 i ({( 2+3 );( 1+i 2 );( )}) 3i 2 + 2i 3 + 3i Let Z Span 2 + 3i 2 – 31 2i -2i Is -1+i EZ? 10 + 112 )
1 Question 3 (4 Marks) show key steps Consider the vector space M2x2(C). i Let Z Span 2 + 3i 2 - 31 2i -2i Is Z? -1+i 10+ 1li s(-
2. Let P3 stand for the vector space of all polynomials in x with real coefficients and of the degree at most 3. (a) (1 mark) Show that the set E = {p(x) € P3 : p(3)=0}, is a subspace of P3. (b) (2 marks) Show that the collection of polynomials {(x - 3), (x – 3), (x-3)3} is a basis of E.
6. (a) Let V be a vector space over the scalars F, and let B = (01.62, ..., On) CV be a basis of V. For v € V, state the definition of the coordinate vector [v]s of v with respect to the basis B. [2 marks] (b) Let V = R$[x] = {ao + a11 + a222 + a3r | 20, 41, 42, 43 € R} the vector space of real polynomials of degree at most three. Write down...
Problem 4. Let n E N. We consider the vector space R” (a) Prove that for all X, Y CR”, if X IY then Span(X) 1 Span(Y). (b) Let X and Y be linearly independent subsets of R”. Prove that if X IY, then X UY is linearly independent. (C) Prove that every maximally pairwise orthogonal set of vectors in R” has n + 1 elements. Definition: Let V be a vector space and let U and W be subspaces...
1. Į 101 Show that the polynomials B = {1,-1, 2.2-r, r*) is a basis of the vector space P3 of all polynomials up to degree 3 2. [10] Find the coordinate vector [(x - 1)]B where B is the basis given in Question 1. 1. Į 101 Show that the polynomials B = {1,-1, 2.2-r, r*) is a basis of the vector space P3 of all polynomials up to degree 3 2. [10] Find the coordinate vector [(x -...
Question 1 (4 Marks) A weird vector space. Consider the set R+ = {2 ER: I >0} = V. We define addition by zey=ry, the product of x and y. We use the field F=R, and define multiplication by cor = xº. Prove that (V, e, Ro) is a vector space. ONLY HAND IN : i) The zero vector ii) what is 6-7 iii) proof of e) of the axioms.
2. Consider the vector space C([0, 1]) consisting of all continuous functions f: [0,1]-R with the weighted inner product, (f.g)-f(x) g(x) x dr. (a) Let Po(z) = 1, Pi(z) = x-2, and P2(x) = x2-6r + 흡 Show that {Po, pi,r) are orthogonal with respect to this inner product b) Use Gram-Schmidt on f(x)3 to find a polynomial pa(r) which is orthogonal to each of po P1 P2 You may use your favorite web site or software to calculate the...
Can u please answer the question (G) 1. (15 marks total) Consider the real vector space (IR3, +,-) and let W be the subset of R3 consisting of all elements (z, y, z) of R3 for which z t y-z = 0. (Although you do not need to show this, W is a vector subspace of R3, and therefore is itsclf a rcal vector space.) Consider the following vectors in W V2 (0,2,2) V (0,0,0) (a) (2 marks) Determine whether...
Question 17 (2 points) Let A be a 3 x 4 matrix with a column space of dimension 2. What is the dimension of the row space of A? Not enough information has been given. O 1/2 3 2. Question 16 (2 points) The rank of the matrix 1 2 - 1 2 4 2 1 2 3 is 02 O none of the given options Question 15 (2 points) Which of the following is not a vector space because...