Let V be an n-dimensional vector space over a field F, where n ≥ 1. Prove that L(V, F) is isomorphic to Fn. You must explicitly write down an isomorphism (and prove that it is an isomorphism).
Let V be an n-dimensional vector space over a field F, where n ≥ 1. Prove that L(V, F) is isomorphic to Fn. You must explicitly write down an isomorphism (and prove that it is an isomorphism).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Let V be an n-dimensional vector space over a field F, where n ≥ 1. Prove that L(V, F)
is isomorphic to F. You must explicitly write down an isomorphism (and prove that it is an isomorphism).

Transcribed Image Text:Ans!-
Given that
let "V" be an N-dimensional vectar space
over a field F.
where
n21.
To prove that / (V₁F) is isomorphic to 'F' is :-
let
us consider that
13 = { 0₁ 0₂ 03₁ -- -- en 3
ез,
Now to write that
L (V₁F) = { collection of all linear transformation
from v to E' }
we tale that
f-> (f(e.) jf(²₂), f(es), _. f (en)}
"
& (f+g) =((f+g)lei), (fig)(e₁),,___.(f+g) (en))
(f(e₁), f(l₂), f(en)) + (g(er), g(e.) _- -- g(en))
= § (f) + $(9)
=
be a vender bases of 'V"
-
Q
$ (f + g)
Now let cys consider that
as their
g (df).
for d EF..
• (Af(e₁), Af(e)..
· if(en) )
= A (f(e₁), f(C₁).
f(en))
keng = {fEL (V₁F) / $$) = (0₁0.-- 0) }
&
where f(ei) =0 + 1 = 1, 2, 3 ~~.n.
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