juantheron
Active Member
- Joined
- Feb 9, 2012
- Messages
- 259
- Gender
- Male
- HSC
- N/A
................................................................................................................
http://www.wolframalpha.com/input/?i=\sqrt{(x+1)^2+y^2}+\sqrt{(x-1)^2+y^2}+=+1
Someone Explain me, Thanks