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Let f be a given function continuous and derivable for all x and satisfying the relation f(x+y). f(x-y) = f²(x). If f(0) ≠0 find f(x)

Answer» Let f be a given function continuous and derivable for all x and satisfying the relation f(x+y). f(x-y) = f²(x). If f(0) ≠0 find f(x)


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