Pearson IIT Foundation' 25 Mathematics Class 9 | For JEE, NTSE & Olympiad Exams |As Per CBSE, ICSE & State Curriculums | Includes JEE Practice Questions |Free Acess To 14 Online Assessments, 43 Video Solutions & Interactive Tests Via Pearson MyInsights & Elibrary |13th Edition(Paperback, Trishna Kno