1.

For αϵR (the set of all real numbers), a≠−1, limn→∞(1a+2a+…+na)(n+1)a−1[(na+1)+(na+2)+…+(na+n)]=160

Answer»

For αϵR (the set of all real numbers), a1,
limn(1a+2a++na)(n+1)a1[(na+1)+(na+2)++(na+n)]=160



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