Question

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• A£® $\frac{£¨n-1£©^{2}}{{a}^{n}}$
• B£® $\frac{{n}^{2}-1}{{a}^{n}}$
• C£® $\frac{£¨n+1£©^{2}}{{a}^{n}}$
• D£® $\frac{{n}^{2}+1}{{a}^{n}}$

Answer 1

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