1.Number system: https://drive.google.com/file/d/1-c-Zp7EzZ2lVG_WhzQ_kmPDjTW5mZdHH/view?usp=drivesdk 2.Polynomials : https://drive.google.com/file/d/1-W7dcaflg1bDAg2UGF6CHM8WsHdpRbYR/view?usp=drivesdk 3.Coordinate geometry: https://drive.google.com/file/d/1-Uy8GEC1MWBbxsZA7Kj6b9lzLnQUqeut/view?usp=drivesdk LINEAR equations in two' variables: https://drive.google.com/file/d/1-U-6NqJX1EYHa1YuKz5_AKyNQn5-7z97/view?usp=drivesdk introduction to Euclid's geometry.. https://drive.google.com/file/d/1-Lx5MQwXg41p_HC3dgml35OuGEpTHZdt/view?usp=drivesdk 6.Lines and angles... https://drive.google.com/file/d/1-L8WDfL1h3h-NtE3bbvDvNlJZx0RsN60/view?usp=drivesdk :/ 7.Triangles..https /drive.google.com/file/d/1-L341lkUpV7t2FAfrquffRoewkIJ3Jqq/view?usp=drivesdk 8.Quadrilateral: https://drive.google.com/file/d/1-FdsOfWwKUUFln6plcZNL-FwSMOSjiXr/view?usp=drivesdk 9.Areas of parallelogram and triangle.. https://drive.google.com/file/d/1-9nVnIZJqxrqi1t9aJgkZh_Pnw5K98PF/view?usp...