QUESTION 1 Show that the set 5,10,25, 35} is a group under multiplication modulo 40 by constructing its Cayley table. Wha the identity element in the group? Attach File Browse Local Files

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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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QUESTION 7
Suppose that
p: G Gis a group homomorphism. Show that
$(e) = (e)
(i) For every gEG, (gN
-=0(g).
(iii) Kero is a normal subgroup of G.
%3D
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QUESTION 8
be an integral domain and define a relation
DXD such that b0 and d0 by (a,b) ~(c,d)
if and
Let
nס
only if
Prove that the relation is an equivalence relation.
ad%3bc
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Transcribed Image Text:QUESTION 7 Suppose that p: G Gis a group homomorphism. Show that $(e) = (e) (i) For every gEG, (gN -=0(g). (iii) Kero is a normal subgroup of G. %3D Attach File Browse Local Files QUESTION 8 be an integral domain and define a relation DXD such that b0 and d0 by (a,b) ~(c,d) if and Let nס only if Prove that the relation is an equivalence relation. ad%3bc Attach File Browse Local Files
QUESTION 1
Show that the set (5,10,25, 35) is a group under multiplication modulo 40 by constructing its Cayley table. What is
the identity element in the group?
Attach File
Browse Local Files
QUESTION 2
Is the group in question 1 cyclic? Substantiate,
Attach File
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Transcribed Image Text:QUESTION 1 Show that the set (5,10,25, 35) is a group under multiplication modulo 40 by constructing its Cayley table. What is the identity element in the group? Attach File Browse Local Files QUESTION 2 Is the group in question 1 cyclic? Substantiate, Attach File Browse Local Files
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