how-to-proof-that-f-x-y-xy-is-of-class-C-near-some-region-of-0- Tinku Tara June 3, 2023 Others 0 Comments FacebookTweetPin Question Number 979 by 123456 last updated on 11/May/15 howtoproofthatf(x,y)=xyisofclassC∞nearsomeregionof0? Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: tan-x-tan-y-z-a-tan-y-tan-z-x-b-tan-z-tan-x-y-c-for-wich-values-of-a-b-c-the-system-have-solutions-x-y-z-a-b-c-R-6-Next Next post: find-the-area-cos-2- Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.