Recent content by gcamilo

Thanks! I guess I tried to overthink, I've just seen people do amazing things with summation sings and sequences, I just tried to imitate.

Homework Statement I'm just not sure how to change the operators in summation, can anyone help? Let s_{n}=\sum_{k=1} ^n ((-1)^{k+1})/k what is s_{2n}?Homework Equations s_{n}=\sum_{k=1} ^n ((-1)^{k+1})/k The Attempt at a Solution s_{2n}=\sum_{k=1} ^{2n} ((-1)^{2k+1})/2k or...