00265nam a2200109Ia 4500008004100000082001500041100001000056245004800066250000600114260002700120300000800147190710s9999    xx            000 0 und d  a510 N213 M  aNCERT 0aMathematics : a textbook for class XII Pt-I  a7  aNew DelhibNCERTc2001  a264