Exercise 3.
Consider the sum \(4 + 11 + 18 + 25 + \cdots + 249\text{.}\)
How many terms (summands) are in the sum?
Compute the sum using a technique discussed in this section.
Consider the sum \(4 + 11 + 18 + 25 + \cdots + 249\text{.}\)
How many terms (summands) are in the sum?
Compute the sum using a technique discussed in this section.