Tangente Plane of a Surface f(x,y)

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/tanplaneMD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/tanplaneMD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/tanplaneMD.html[/url]
– Daniel Mentrard

Bilgi: Tangente Plane of a Surface f(x,y)