msearch(["solve problems", "class 11", "questions", "mathematics"])It seems that I couldn't directly access specific questions in the uploaded PDF document. To help you solve the problems in your Class 11 PDF, please let me know if there are particular topics, questions, or pages you would like me to focus on. You can also describe the problems or concepts, and I'll be happy to assist you!

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Tip:

For solving math problems, it's often helpful to break down complex questions into smaller, manageable parts and tackle them step-by-step.