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12 Nov 2019
let f(x) be a function such that f(a+b) = f(a)+f(b) for all real numbers a and b. Suppose that is the only root of f(x) that is suppose if f(x)=0 then x=0. prove that f(a)=f(b) then a=b
let f(x) be a function such that f(a+b) = f(a)+f(b) for all real numbers a and b. Suppose that is the only root of f(x) that is suppose if f(x)=0 then x=0. prove that f(a)=f(b) then a=b
Lelia LubowitzLv2
13 Oct 2019
