[UNIT] Use case Agentic RAG with LlamaIndex - release TBD

units/en/_toctree.yml

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   sections:
   - local: communication/next-units
     title: Next Units
+- title: Unit 3.2 Use Cases - Agentic RAG
+  sections:
+  - local: unit3/agentic-rag/gala.mdx
+    title: A Gala to Remember
+  - local: unit3/agentic-rag/agentic-rag.mdx
+    title: Agentic Retrieval Augmented Generation (RAG)

units/en/unit3/agentic-rag/agentic-rag.mdx

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+# Agentic Retrieval Augmented Generation (RAG)
+
+In this unit, we'll be taking a look at how we can use Agentic RAG to help Alfred, your friendly neighborhood agent, prepare for the amazing gala.
+
+<Tip>We know we've already discussed Retrieval Augmented Generation (RAG) and agentic RAG in the previous unit, so feel free to skip ahead if you're already familiar with the concepts.</Tip>
+
+LLMs are trained on enormous bodies of data to learn general knowledge.
+However, the world knowledge model of LLMs may not always be relevant and up-to-date data.
+**RAG solves this problem by finding and retrieving relevant information from your data and forward that to the LLM.**
+
+![RAG](https://huggingface.co/datasets/agents-course/course-images/resolve/main/en/unit2/rag.png)
+
+Now, think about how Alfred works:
+
+1. We've ask Alfred to help plan a gala
+2. Alfred needs to find the latest news and weather information
+3. Alfred needs to strcucture and search the guest information
+
+Just as Alfred needs to search through your household information to be helpful, any agent needs a way to find and understand relevant data.
+As we've seen in the previous unit, the `QueryEngine` in LlamaIndex provides exactly this capability.
+Even better, it can be converted as an agentic tool that can be used by an agent, opening up the gateway to agentic RAG.
+
+**Agentic RAG is a powerful way to use agents to answer questions about your data.** We can pass various tools to Alfred to help him answer questions.
+However, instead of answering the question on top of documents automatically, Alfred can decide to use any other tool or flow to answer the question.
+
+![Agentic RAG](https://huggingface.co/datasets/agents-course/course-images/resolve/main/en/unit2/agentic-rag.png)
+
+Let's start creating the tools for our agentic RAG workflow!
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units/en/unit3/agentic-rag/gala.mdx

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+# A Gala to Remember
+
+And then, it was time to get our hands dirty with an actual use case. Let's set the stage!
+
+**You decided to host the most extravagant and opulent party of the century.** This means, lavish feasts, enchanting dancers, renowned DJs, exquisite drinks, a breathtaking fireworks display and much more.
+
+Alfred, your friendly neighborhood agent, is getting ready to watch over your all of the needs for this party and **Alfred is going to manage everything himself**. In order to do so, he needs to have access to all of the information about the party, including the menu, the guests, the schedule, weather forecasts and much more!
+
+Not only that, but he also needs to make sure that the party is going to be a success, so **he needs to be able to answer any questions about the party during the party**, while also being able to handle any unexpected situations that may arise.
+
+He can't do this alone, so we need to make sure that Alfred has access to all of the information and tools he needs.
+
+First, let's give him a list of hard requirements for the gala.
+
+## The gala requirements
+
+A properly educated person in the age of the **renaissance** needs to have three main traits.
+He or she needed to profound in the **knowledge of sports, culture, and science**. So, we need to make sure we can impress our guests with our knowledge and provide them with a gala that is truly unforgettable.
+
+According to etiquette, a good host also needs to be aware of all actualities in the news, as well as the information of any guests that might show up at a hosted party, including their allergies, and preferences.
+To avoid any confliect, there are some things that are just not acceptable at a gala because we want it to be an inclusive and open party, such as **politics** and **religion**.
+
+Lastly, we need to make sure that we've got some general knowledge about the weather to ensure we can continuously find a real-time update to ensure perfect timing to launch the fireworks and end the gala with a bang! 🎆
+
+As you can see, Alfred needs a lot of information to be able to host the gala.
+Luckily, we can help and prepare Alfred by giving him some Retrieval Augmented Generation (RAG) training!
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