Exercise

# Using variables 1

What is the sum of the first \(n\) positive integers?

We can use the formula \( n(n+1)/2 \) to quickly compute this quantity.

Instructions

**100 XP**

- Define
`n<-100`

- Then use R to compute the sum of 1 through 100 using the formula \( n(n+1)/2\). What is the sum?
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