Problem 2. Let n Є Z. Let G = R GLn(R) as a set, and define a binary operation on G by (v, A) (w, B) * = (v + Aw, AB) for all v, wЄR" and A, B E GL₂ (R). Show that G is a group.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.5: Isomorphisms
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Problem 2. Let n Є Z. Let G
=
R GLn(R) as a set, and define a binary
operation
on G by
(v, A) (w, B)
*
=
(v + Aw, AB)
for all v, wЄR" and A, B E GL₂ (R). Show that G is a group.
Transcribed Image Text:Problem 2. Let n Є Z. Let G = R GLn(R) as a set, and define a binary operation on G by (v, A) (w, B) * = (v + Aw, AB) for all v, wЄR" and A, B E GL₂ (R). Show that G is a group.
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