CBSE Class 12 Relations and Functions Revision Notes: View and download here the revision notes of CBSE Class 12 Maths Chapter 1 Relations and Functions in PDF format. CBSE Class 12 Mathematics ...

It is well known that sets of finite perimeter can be strictly approximated by smooth sets, while, in general, one cannot hope to approximate an open set Ω of finite perimeter in ℝn strictly from ...