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Let A=NtimesN and 'ast' be the binary op...

Let `A=NtimesN` and '`ast`' be the binary operation. On A defined by `(a,b)ast(c,d)=(a+c,b+d)`. Show that '`ast`' is commutative and associative. Find the identity for '`ast`' on A if any.

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MAXIMUM PUBLICATION-RELATIONS AND FUNCTIONS-EXAMPLE
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  3. Let A=NtimesN and 'ast' be the binary operation. On A defined by (a,b)...

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  5. If f(x)=frac(4x+3)(6x-4),xne2/3. What is the inverse of 'f'?

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  12. Consider the function f(x)=frac(x+1)(x-1),xne1 fof(2) =

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  13. Consider the function f(x)=frac(x+1)(x-1),xne1 what is the inverse o...

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  14. Consider the function f(x)=frac(x+1)(x-1),xne1 f(3)+f^-1(3)

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