Question

Which of the following is the correct expanded form for the series below?​

Answer 1

`\displaystyle \sum^(4) _(n = 1) \: (7)/(n) = \: 7 + (7)/(2) + (7)/(3) + (7)/(4)`

Answer 2

• A. 7 + 7/2 + 7/3 + 7/4

Explanation:

This is the sum of the first 4 terms, substitute n for each term:

4

∑
`(7)/(n)` = 7/1 + 7/2 + 7/3 + 7/4

n=1

Correct choice is A