NEW JYOTHIExamate: A chapter-wise analysis of previous HSE (Higher Secondary Examination) question papers and answers. Includes questions from the March 2025 examinations.Designed as per the latest and revised syllabus of Class XI.As per the latest and revised syllabus of class XI a+b+c pi = 3.14 a ^ 2 - b ^ 2 = (a + b)(a - b)