Menu Close

how-to-proof-that-f-x-y-xy-is-of-class-C-near-some-region-of-0-




Question Number 979 by 123456 last updated on 11/May/15
how to proof that f(x,y)=xy is of class  C^∞  near some region of 0?
howtoproofthatf(x,y)=xyisofclassCnearsomeregionof0?

Leave a Reply

Your email address will not be published. Required fields are marked *