## Precalculus (6th Edition)

$=\sum ^{15}_{i=1}\dfrac {5}{1+i}$
$\dfrac {5}{1+1}+\dfrac {5}{1+2}+\dfrac {5}{1+3}+...+\dfrac {5}{1+15}=\sum ^{15}_{i=1}\dfrac {5}{1+i}$
The text passage contains a mathematical expression and its expanded form, but does not contain a question or an answer to a question.
no_question
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
## Precalculus (6th Edition)

$=\sum ^{15}_{i=1}\dfrac {5}{1+i}$
$\dfrac {5}{1+1}+\dfrac {5}{1+2}+\dfrac {5}{1+3}+...+\dfrac {5}{1+15}=\sum ^{15}_{i=1}\dfrac {5}{1+i}$
user
The text passage contains a mathematical expression and its expanded form, but does not contain a question or an answer to a question.

TYPE: NO_QUESTION