- #1
Lord Dark
- 121
- 0
Homework Statement
hi guys ,, i hope you all are fine ,,
i have a problem with this question :
Determine the following sum:
1-4+9-16+25-...-10000+10201
Homework Equations
The Attempt at a Solution
i don't know where even to start ,, can anyone give me an idea how to solve problems like these ??