## Precalculus (6th Edition)

$\color{blue}{1}$
RECALL: (1) $(a+b)(a-b) = a^2-b^2$ (2) For $a\gt0$, $(\sqrt{a})^2 = a$ Use rule (1) above by to obtain: $=2^2 - (\sqrt{3})^2 \\=4-(\sqrt3)^2$ Use rule (2) above to obtain: $\\=4-3 \\=\color{blue}{1}$
The text passage contains a mathematical derivation that simplifies an expression using algebraic rules, but it does not present a question or provide 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)

$\color{blue}{1}$
RECALL: (1) $(a+b)(a-b) = a^2-b^2$ (2) For $a\gt0$, $(\sqrt{a})^2 = a$ Use rule (1) above by to obtain: $=2^2 - (\sqrt{3})^2 \\=4-(\sqrt3)^2$ Use rule (2) above to obtain: $\\=4-3 \\=\color{blue}{1}$
user
The text passage contains a mathematical derivation that simplifies an expression using algebraic rules, but it does not present a question or provide an answer to a question.

TYPE: NO_QUESTION