|[http://ncert.nic.in/NCERTS/textbook/textbook.htm?jemh1=7-14 NCERT Textbook Class - X - Mathematics - Chapter - 7 - Coordinate Geometry] | |[http://ncert.nic.in/NCERTS/textbook/textbook.htm?jemh1=7-14 NCERT Textbook Class - X - Mathematics - Chapter - 7 - Coordinate Geometry] |