What is a radical?
2 answers
a wild-eyed political dissident
Your school SUBJECT is "Math" not "Dahal."
http://www.google.com/search?q=radical+in+math&oq=radical+in+math&aqs=chrome..69i57.5028j0j7&sourceid=chrome&ie=UTF-8
http://www.google.com/search?q=radical+in+math&oq=radical+in+math&aqs=chrome..69i57.5028j0j7&sourceid=chrome&ie=UTF-8