00283nam a2200109Ia 4500008004100000020001800041082001500059100001000074245004900084260002700133300001300160190710s9999    xx            000 0 und d  a81-7450-629-2  a510 N213M,  aNCERT 0aMathematics: textbook for class XII (part 1)  aNew DelhibNCERTc2012  axiv, 286