The glued germ is Cⁿ on (-ε, ε) provided the germ is Cⁿ on (0, ε) and the first n iterated derivatives have finite right limits

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The glued germ is Cⁿ on (-ε, ε) provided the germ is Cⁿ on (0, ε) and the first n iterated derivatives have finite right limits · Prove2Me