fun-lim

Question: A real valued function $f(x)$ satisfies the function equation $f(x-y)=f(x)f(y)-f(a-x)f(a+y)$ where a is a given constant and $f(0)=1$, $f(2a-x)$ is equal to



1) $f(a)+f(a-x)$
2) $f(-x)$
3) $-f(x)$
4) $f(x)$
Solution: Explanation: No Explanation
Functions

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