Mathematics, 18.07.2020 19:01 laceysmith2i023
Let
G= a + b√ 2 | a, b are rational
and
H= a 2b
b a
a and b are rational
Show that G and H are isomorphic under addition. Prove that G and H are closed under multiplication. Does your isomorphism preserve multiplication as well as addition?
Answers: 1
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Let
G= a + b√ 2 | a, b are rational
and
H= a 2b
b a
a and b a...
and
H= a 2b
b a
a and b a...
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