Recent content by Brunll

Thakyou HallsofIvy for th explanation, but could you show me explicitly how to evolve he equation in [tex}i^4[/tex],for example.It would be very helpful.

About these formulas: \frac{n(n+1)}{2}, \frac{n(n+1)(2n+1)}{6} ,(\frac{n(n+1)}{2})^2 How were they evolved? And what about i^4, i^5, i^6,... Thankyou everybody;;

Thanks!I'll try it.

Homework Statement Temperature readings T (in degrees celcius) were recorded every hour starting at midnight on a day in april in Whitefish, Montana.The time x is measured in hours from midnight.The data are giving in the table at the left x(h) T(°C) 0 6.5 1 6.1 2...