Let S={[(0 r, 0 0)]| r is a real number} . Define a multiplication, * and an addition, α, on S under which S is a field.

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- Mar 5th 2010, 06:48 AMempressAFields
Let S={[(0 r, 0 0)]| r is a real number} . Define a multiplication, * and an addition, α, on S under which S is a field.

- Mar 5th 2010, 08:55 AMDrexel28
- Mar 8th 2010, 11:38 AMempressA
Ok.. well i understand why it isn't a field.. but i do not get what you are saying.