Instructor’s Solu m
tions Manual m
tom accompany
A First Course in Abstrac
m m m m
t Algebra
m
Seventhm Edition
JohnmB.mFraleigh
Universitym ofm Rhodem Island
,
,Preface
Thismmanualmcontainsmsolutionsmtomallmexercisesminmthemtext,mexceptmthosemodd-
numberedmexercisesmformwhichmfairlymlengthymcompletemsolutionsmaremgivenminmthemanswersmatmthembackmof
mthemtext.m Thenmreference mismsimplym
givenmtomthemtextmanswersmtomsavemtyping.
Impreparedmthesemsolutionsmmyself.mWhilemImtriedmtombemaccurate,mtheremaremsuremtombemtheminevitabl
emmistakesmandmtypos.mAnmauthormreadingmproofmrendsmtomseemwhatmhemormshemwantsmtomsee.mHowever,mt
heminstructormshouldmfindmthismmanualmadequatemformthempurposemformwhichmitmismintended.
Morgan,mVermont J.B.F
July,m2002
i
, ii
tions Manual m
tom accompany
A First Course in Abstrac
m m m m
t Algebra
m
Seventhm Edition
JohnmB.mFraleigh
Universitym ofm Rhodem Island
,
,Preface
Thismmanualmcontainsmsolutionsmtomallmexercisesminmthemtext,mexceptmthosemodd-
numberedmexercisesmformwhichmfairlymlengthymcompletemsolutionsmaremgivenminmthemanswersmatmthembackmof
mthemtext.m Thenmreference mismsimplym
givenmtomthemtextmanswersmtomsavemtyping.
Impreparedmthesemsolutionsmmyself.mWhilemImtriedmtombemaccurate,mtheremaremsuremtombemtheminevitabl
emmistakesmandmtypos.mAnmauthormreadingmproofmrendsmtomseemwhatmhemormshemwantsmtomsee.mHowever,mt
heminstructormshouldmfindmthismmanualmadequatemformthempurposemformwhichmitmismintended.
Morgan,mVermont J.B.F
July,m2002
i
, ii