Question

In: Advanced Math

Let V -Φ -> W be linear. Show that ker (Φ) is a subspace of V...

Let V -Φ -> W be linear. Show that ker (Φ) is a subspace of V and Φ (V) is a subspace of W.

Solutions

Expert Solution


Related Solutions

Let W be a subspace of R^n, and P the orthogonal projection onto W. Then Ker...
Let W be a subspace of R^n, and P the orthogonal projection onto W. Then Ker P is W^perp.
Let T: V →W be a linear transformation from V to W. a) show that if...
Let T: V →W be a linear transformation from V to W. a) show that if T is injective and S is a linearly independent set of vectors in V, then T(S) is linearly independent. b) Show that if T is surjective and S spans V,then T(S) spans W. Please do clear handwriting!
Let (V, ||·||) be a normed space, and W a dNormV,||·|| -closed vector subspace of V....
Let (V, ||·||) be a normed space, and W a dNormV,||·|| -closed vector subspace of V. (a) Prove that a function |||·||| : V /W → R≥0 can be consistently defined by ∀v ∈ V : |||v + W||| df= inf({||v + w|| : R≥0 | w ∈ W}). (b) Prove that |||·||| is a norm on V /W. (c) Prove that if (V, ||·||) is a Banach space, then so is (V /W, |||·|||)
Let W be a subspace of Rn. Prove that W⊥ is also a subspace of Rn.
Let W be a subspace of Rn. Prove that W⊥ is also a subspace of Rn.
(10pt) Let V and W be a vector space over R. Show that V × W...
(10pt) Let V and W be a vector space over R. Show that V × W together with (v0,w0)+(v1,w1)=(v0 +v1,w0 +w1) for v0,v1 ∈V, w0,w1 ∈W and λ·(v,w)=(λ·v,λ·w) for λ∈R, v∈V, w∈W is a vector space over R. (5pt)LetV beavectorspaceoverR,λ,μ∈R,andu,v∈V. Provethat (λ+μ)(u+v) = ((λu+λv)+μu)+μv. (In your proof, carefully refer which axioms of a vector space you use for every equality. Use brackets and refer to Axiom 2 if and when you change them.)
let l be the linear transformation from a vector space V where ker(L)=0 if { v1,v2,v3}...
let l be the linear transformation from a vector space V where ker(L)=0 if { v1,v2,v3} are linearly independent vectors on V prove {Lv1,Lv2,Lv3} are linearly independent vectors in V
1. Let V and W be vector spaces over R. a) Show that if T: V...
1. Let V and W be vector spaces over R. a) Show that if T: V → W and S : V → W are both linear transformations, then the map S + T : V → W given by (S + T)(v) = S(v) + T(v) is also a linear transformation. b) Show that if R: V → W is a linear transformation and λ ∈ R, then the map λR: V → W is given by (λR)(v) =...
Let U be a subspace of V . Prove that dim U ⊥ = dim V...
Let U be a subspace of V . Prove that dim U ⊥ = dim V −dim U.
Determine whether or not W is a subspace of V. Justify your answer. W = {p(x)...
Determine whether or not W is a subspace of V. Justify your answer. W = {p(x) ∈ P(R)|p(1) = −p(−1)}, V = P(R)
If V (dimension k-1) is a subspace of W (dimension K), and V has an orthonormal...
If V (dimension k-1) is a subspace of W (dimension K), and V has an orthonormal basis {v1,v2.....vk-1}. Work out a orthonormal basis of W in terms of that of V and the orthogonal complement of V in W. Provide detailed reasoning.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT