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Let Sn=∑nk=1nn2+kn+k2 and Tn=∑n−1k=0nn2+kn+k2 for a = 1, 2, 3,...... Then,

Answer»

Let Sn=nk=1nn2+kn+k2 and Tn=n1k=0nn2+kn+k2 for a = 1, 2, 3,...... Then,



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