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[" So bet "A=NXN" and "+" be a binary op...

[" So bet "A=NXN" and "+" be a binary operation on A defined by "(a,b)^(-2)+(c,d)=(a+c,b+d)],[" if any."]

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Let A=NtimesN and ast be a binary operation on A defined by (a,b)*(c,d) = (a + c,b + d) Find (1,2)*(2,3)

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