11th Class
Mathematics
Sample Paper
Maths Olympiad Model Paper-2
question_answer
For \[a\in R\] (the set of all real numbers), \[a\ne -\,1,\] \[\underset{x\to \infty }{\mathop{\lim }}\,\,\,\frac{({{1}^{a}}+{{2}^{a}}+....+{{n}^{a}})}{{{(n+1)}^{a-1}}[(na+1)+(na+2)+....(na+n)]}=\frac{1}{60}\]