subject
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?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
6people equally share 56 gummy worms. how many gummy worms does each person get? nine and one sixth gummy worms nine and two sixths gummy worms ten and one sixth gummy worms ten and two eighths gummy worms
Answers: 1
question
Mathematics, 21.06.2019 20:00
How does the graph of g(x)=⌊x⌋−3 differ from the graph of f(x)=⌊x⌋? the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted right 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted up 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted down 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted left 3 units.
Answers: 1
question
Mathematics, 21.06.2019 20:50
Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units
Answers: 3
question
Mathematics, 21.06.2019 22:00
Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?
Answers: 3
You know the right answer?
Let G= a + b√ 2 | a, b are rational

and
H= a 2b
b a

a and b a...
Questions
question
Mathematics, 01.01.2020 04:31
Questions on the website: 13722367