/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: devazil https://public.slidesharecdn.com/v2/images/profile-picture.png Just Copy pest the equation on google .. plot y=sqrt(abs(x))-sqrt(6-x^2),y=sqrt(abs(x))+sqrt(6-x^2)