00432nam a2200121Ia 450000500170000000800410001708200160005810000580007424500610013226000750019330000150026865000270028320240821160429.0240821s9999||||xx |||||||||||||| ||und||  a510 NAT(TB)  aNational Council of Educational Research and Training 0aMathematics: textbook for class XI : part 1 (semester I)  aNew DelhibNational Council of Educational Research and Trainingc2002  axiv, 414p.  aMathematics - Textbook