Hello, I will have an exam soon, can anyone please help me on these questions ?
1.Let Xn=1/(n+1) +1/(n+2) +...+ 1/(2n)
Find the limit of this as n approaches infinity
2.Evaluate the sum of the series
∞
E 1/(k(k+1)(k+2))
k=1
3. For which z that is an element of C...