class XII Maths
1. https://drive.google.com/folderview?id=0B25Bc3HXyOkUfjZfMGNBQ1lqdkJCdlhrek9mcmNPc2RudXRIOC1TS3JQZ0RyWHE3a04yc28 2. https://youtu.be/MqsUMq2LkXs 3. https://youtu.be/bSUgTpCTfPw 4. https://youtu.be/Q9hmqZNSD80 5. https://youtu.be/Q9hmqZNSD80 https://youtu.be/g7tYFSO4iMw