INTRO.+INTERMED.ALG.F/COLL....-ACCESS
6th Edition
ISBN: 9780136679219
Author: Blitzer
Publisher: PEARSON
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Chapter B, Problem 29ES
To determine
- The solution of the given system of equation
- Also state if the given system is dependent if there is no solution or infinite solutions
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R denotes the field of real numbers, Q denotes the field of rationals, and
Fp denotes the field of p elements given by integers modulo p. You may refer to general
results from lectures.
Question 1
For each non-negative integer m, let R[x]m denote the
vector space consisting of the polynomials in x with coefficients in R and of degree ≤ m.
x²+2, V3 = 5. Prove that (V1, V2, V3) is a linearly independent
(a) Let vi = x, V2 =
list in R[x] 3.
(b) Let V1, V2, V3 be as defined in (a). Find a vector v € R[×]3 such that (V1, V2, V3, V4)
is a basis of R[x] 3.
[8]
[6]
(c) Prove that the map ƒ from R[x] 2 to R[x]3 given by f(p(x)) = xp(x) — xp(0) is a
linear map.
[6]
(d) Write down the matrix for the map ƒ defined in (c) with respect to the basis
(2,2x + 1, x²) of R[x] 2 and the basis (1, x, x², x³) of R[x] 3.
[5]
Question 4
(a) The following matrices represent linear maps on R² with respect to an
orthonormal basis:
=
[1/√5 2/√5
[2/√5 -1/√5]
"
[1/√5 2/√5]
A =
B =
[2/√5 1/√5] 1
C =
D =
=
=
[ 1/3/5 2/35]
1/√5 2/√5
-2/√5 1/√5'
For each of the matrices A, B, C, D, state whether it represents a self-adjoint
linear map, an orthogonal linear map, both, or neither.
(b) For the quadratic form
q(x, y, z) = y² + 2xy +2yz
over R, write down a linear change of variables to u, v, w such that q in these
terms is in canonical form for Sylvester's Law of Inertia.
[6]
[4]
part b please
Chapter B Solutions
INTRO.+INTERMED.ALG.F/COLL....-ACCESS
Ch. B - Prob. 1ESCh. B - Prob. 2ESCh. B - Prob. 3ESCh. B - Prob. 4ESCh. B - Prob. 5ESCh. B - Prob. 6ESCh. B - Prob. 7ESCh. B - Prob. 8ESCh. B - Prob. 9ESCh. B - Prob. 10ES
Ch. B - Prob. 11ESCh. B - Prob. 12ESCh. B - Prob. 13ESCh. B - Prob. 14ESCh. B - Prob. 15ESCh. B - Prob. 16ESCh. B - Prob. 17ESCh. B - Prob. 18ESCh. B - Prob. 19ESCh. B - Prob. 20ESCh. B - Prob. 21ESCh. B - Prob. 22ESCh. B - Prob. 23ESCh. B - Prob. 24ESCh. B - Prob. 25ESCh. B - Prob. 26ESCh. B - Prob. 27ESCh. B - Prob. 28ESCh. B - Prob. 29ESCh. B - Prob. 30ESCh. B - Prob. 31ESCh. B - Prob. 32ESCh. B - Prob. 33ESCh. B - Prob. 34ESCh. B - Prob. 35ESCh. B - Prob. 36ESCh. B - Prob. 37ESCh. B - Prob. 38ESCh. B - Prob. 39ESCh. B - Prob. 40ESCh. B - Prob. 41ESCh. B - Prob. 42ESCh. B - Prob. 43ESCh. B - Prob. 44ES
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- Question 5 (a) Let a, b, c, d, e, ƒ Є K where K is a field. Suppose that the determinant of the matrix a cl |df equals 3 and the determinant of determinant of the matrix a+3b cl d+3e f ГЪ e [ c ] equals 2. Compute the [5] (b) Calculate the adjugate Adj (A) of the 2 × 2 matrix [1 2 A = over R. (c) Working over the field F3 with 3 elements, use row and column operations to put the matrix [6] 0123] A = 3210 into canonical form for equivalence and write down the canonical form. What is the rank of A as a matrix over F3? 4arrow_forwardQuestion 2 In this question, V = Q4 and - U = {(x, y, z, w) EV | x+y2w+ z = 0}, W = {(x, y, z, w) € V | x − 2y + w − z = 0}, Z = {(x, y, z, w) € V | xyzw = 0}. (a) Determine which of U, W, Z are subspaces of V. Justify your answers. (b) Show that UW is a subspace of V and determine its dimension. (c) Is VU+W? Is V = UW? Justify your answers. [10] [7] '00'arrow_forwardTools Sign in Different masses and Indicated velocities Rotational inert > C C Chegg 39. The balls shown have different masses and speeds. Rank the following from greatest to least: 2.0 m/s 8.5 m/s 9.0 m/s 12.0 m/s 1.0 kg A 1.2 kg B 0.8 kg C 5.0 kg D C a. The momenta b. The impulses needed to stop the balls Solved 39. The balls shown have different masses and speeds. | Chegg.com Images may be subject to copyright. Learn More Share H Save Visit > quizlet.com%2FBoyE3qwOAUqXvw95Fgh5Rw.jpg&imgrefurl=https%3A%2F%2Fquizlet.com%2F529359992%2Fc. Xarrow_forward
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