Yes, there are online communities and forums where you can seek help or discuss Mathematics topics for CBSE Class 11 with other students:

1. EduRev:
EduRev is an online learning platform that offers a community forum for students to discuss various subjects, including Mathematics for CBSE Class 11. It provides a platform for students to ask questions, seek help, and interact with their peers. The community is moderated to ensure helpful and accurate responses.

2. Quora:
Quora is a popular question-and-answer platform where you can find a wide range of topics, including Mathematics for CBSE Class 11. You can search for specific questions related to your topic or post your own question. The platform allows users to provide answers, and you can engage in discussions with other students or experts.

3. Stack Exchange:
Stack Exchange is a network of question-and-answer websites covering various subjects, including Mathematics. The Mathematics Stack Exchange specifically caters to discussions related to Mathematics concepts, problem-solving, and theory. You can search for questions or post your own and receive answers from the community.

4. CBSE Study Materials:
CBSE Study Materials is a website that provides resources and study materials for CBSE students. It includes a forum section where you can interact with other students studying CBSE Class 11 Mathematics. You can ask questions, share your knowledge, and seek guidance from fellow students.

5. Online Tutoring Platforms:
There are various online tutoring platforms that provide forums or chat features for students to connect with tutors and other students. These platforms often have specific sections for CBSE Class 11 Mathematics, where you can seek help, ask questions, and engage in discussions.

6. Social Media Groups:
Several social media platforms, such as Facebook and Reddit, have dedicated groups or communities where students can join and discuss Mathematics topics for CBSE Class 11. These groups are often formed by students themselves, creating a space for sharing resources, asking questions, and collaborating with peers.

Overall, these online communities and forums provide excellent opportunities for CBSE Class 11 Mathematics students to seek help, ask questions, and engage in discussions with other students. It is important to remember that while these platforms can be helpful, it is always recommended to verify the accuracy and reliability of the information provided.