Odd and even consecutive sums
Algebra
Level
1
\[\begin{align} 1 + 3 + 5 + \cdots + &99 = 2500\\ \\ 2 + 4 + 6 + \cdots + &100 =\ ? \end{align}\]
Hint: What is the difference between these 2 equations?
by
Pi Han Goh