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A real valued function f(x) satisfies the functional equation f(x-y)=f (x)f (y)-f (a-x)f (a+y), where a is given constant and f(0)=1, then find f(2a-x)

Answer» A real valued function f(x) satisfies the functional equation f(x-y)=f (x)f (y)-f (a-x)f (a+y), where a is given constant and f(0)=1, then find f(2a-x)


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