Which of the following sequences converge? \( \left\{\frac{5 n}{2 n-1}\right\}, \quad\left\{\frac{e^{n}}{n}\right\} \quad \) and \( \quad\left\{\frac{e^{n}}{1+e^{n}}\right\} \) \( \left\{\frac{e^{n}}{1+e^{n}}\right\} \) and \( \left\{\frac{e^{n}}{n}\right\} \) \( \left\{\frac{5 n}{2 n-1}\right\} \) \( \left\{\frac{e^{n}}{n}\right\} \) \( \left\{\frac{5 n}{2 n-1}\right\} \) and \( \left\{\frac{e^{n}}{1+e^{n}}\right\} \)
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