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(2) Simplifying each expression in the given ring R . (a) R=M_(3)(Z_(5)) [[1,2,4,3,2 1,1,3]] 1 0+[[2,1,3 ]] 1,1,1 [ 2,2,3] [1,2,4 ] 0,3,2
(2) Simplifying each expression in the given ring
R
.\ (a)\
R=M_(3)(Z_(5))\ [[1,2,4,3,2\ 1,1,3]]\ 1\ 0+[[2,1,3
]]
\ 1,1,1\
[
2,2,3]\ [1,2,4
]
\ 0,3,2\
[[
1,1,3]][[2,1,3,1,1,2,3]]\ 2\ 1
\ (b)\
R=Z_(4)[x]\ (3x^(5)-x^(4)+x^(2)-1)+(x^(2)-x+2)\ (3x^(5)-x^(4)+x^(2)-1)(x^(2)-x+2)
\ (c)\
R=M_(2)(Z[x])\ [[1+x,1,x^(2)]]\ x^(3)+[[1+x,x^(2)
]]
\
[
1+x,1-x]\ [1+x,1
]
\
[[
x^(3),x^(2)]][[1+x,x^(2),1-x]]\ 1+x
\ (d)\
R=M_(2)(Z_(2)[x])\ [[1+x,1,x^(2)]]\ x^(3)+[[1+x,x^(2)
]]
\
[
1+x,1-x]\ [1+x,1
]
\
[[
x^(3),x^(2)]][[1+x,x^(2),1-x]]\ 1+x
\ (e)\
R=Z_(2)[G] where G={1,t,t^(2),t^(3),t^(4):t^(5)=1}\ (1+t+t^(2)+t^(3))+(t+t^(2)+t^(4))\ (1+t+t^(2)+t^(3))(t+t^(2)+t^(4))
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