(1 point) The cross product of two vectors in R3 is defined by a2b3a3 02 a1...
(7) The cross product of vectors a-(a, a2, as), b-(h, b2,bs) in R3 is defined as -a201) (a) Show that a x b can be expressed as cofactor expansion across the first row for the determinant for the "3 x 3-matrix" e1 e2 e3 R. where el, e2, e3 are the unit vectors of (b) Show that a x b is orthogonal to a and to b. (c) Bonus: Show that la x b is the area of the parallelogram...
(1 point) Let f: R3 R3 be the linear transformation defined by f(3) = [ 2 1 1-4 -2 -57 -5 -4 7. 0 -2 Let B C = = {(2,1, -1),(-2,-2,1),(-1, -2, 1)}, {(-1,1,1),(1, -2, -1),(-1,3, 2)}, be two different bases for R. Find the matrix (fls for f relative to the basis B in the domain and C in the codomain. [] =
pls answer 4,5,6 and 7 An) a) Find the magnitude of both vectors. b) Find dot product and cross product of both vectors c) Find the projection of w onto v 2) Let а:31 + 5, + 7k and b--6r +-10, + mk where m e R. a) Find the value for m such that vectors are orthogonal b) Find the value of m such that the cross product of the vectors is zero 3) a) Find the distance from...
Let E be the plane in R3 spanned by the orthogonal vectors v1=(121)and v2=(−11−1) The reflection across E is the linear transformation R:R3→R3 defined by the formula R(x) = 2 projE(x)−x (a) Compute R(x) for x=(1260) (b) Find the eigenspace of R corresponding to the eigenvalue 1. That is, find the set of all vectors x for which R(x) =x. Justify your answer.
Defining the cross product The cross product of two nonzero vectors \(\vec{u}\) and \(\vec{v}\) is another vector \(\vec{u} \times \vec{v}\) with magnitude$$ |\vec{u} \times \vec{v}|=|\vec{u}||\vec{v}| \sin (\theta), $$where \(0 \leq \theta \leq \pi\) is the angle between the two vectors. The direction of \(\vec{u} \times \vec{v}\) is given by the right hand rule: when you put the vectors tail to tail and let the fingers of your right hand curl from \(\vec{u}\) to \(\vec{v}\) the direction of \(\vec{u} \times \vec{v}\)...
11 -14 (1 point) Let W be the subspace of R3 spanned by the vectors 1 and 4 Find the projection matrix P that projects vectors in R3 onto W
Let T be the linear transformation from R3 into R2 defined by (1) For the standard ordered bases a and ß for R3 and IR2 respectively, find the associated matrix for T with respect to the bases α and β. (2) Let α = {x1 , X2, X3) and β = {yı, ys), where x1 = (1,0,-1), x2 = - (1,0). Find the associated (1,1,1), хз-(1,0,0), and y,-(0, 1), Уг matrices T]g and T12
6. Let L be the linear operator mapping R3 into R3 defined by L(x) Ax, where A=12 0-2 and let 0 0 Find the transition matrix V corresponding to a change of basis from i,V2. vs) to e,e,es(standard basis for R3), and use it to determine the matrix B representing L with respect to (vi, V2. V
For real non-zero constants a and b, consider the linear transformation T: R3 + R3 defined by orthogonal reflection in the plane ay + b2 = 0 where orthogonality is defined with respect to the dot product on R3 x R3. Find in terms of a and b the numerical entries of the matrix Aſ that represents T with respect to the standard ordered basis {el, C2, C3} of R3.
For real non-zero constants a and b, consider the linear transformation T: R3 + R3 defined by orthogonal reflection in the plane ay + b2 = 0 where orthogonality is defined with respect to the dot product on R3 x R3. Find in terms of a and b the numerical entries of the matrix Aſ that represents T with respect to the standard ordered basis {el, C2, C3} of R3.