- #1

thchian

- 7

- 0

## Homework Statement

How to show that there exist no function f,g:R[itex]\nearrow[/itex]R satisfying f(x)g(y)=x+y, for all real x,y?

## Homework Equations

Any equation for showing function?

## The Attempt at a Solution

how about starting with sumthing like let h(x,y)=x+y ??

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