XII CBSE 21 SQP 2023
THE O.P. GUPTA ADVANCED MATH CLASSES 1st Floor of 1625 D 4/A, Opp. HP Petrol Pump, Thana Road, Najafgarh, New Delhi-43 C A U TION No part of this book or the complete book should be reproduced or copied in any form [photocopying, selling by any third party, resold, restored by information storage devices, or as the notes …