Calc 1 homework

[plain pond]

1. Wait patiently for a helper to come along.
2. Once someone helps you, say thank you and close the thread with:

+close

3. Feel free to nominate the person for helper of the week in #helper-nominations

[tall granite]

Did you try anything?

Just let me know your attempt

[urban timber]

First I found that difference of x is 4/n. Then I found that xi = 4i/n. At this point I did not know where to go

[tall granite]

Your xi is incorrect though

[noble mauve]

fäf kaka