S Subhotosh Khan Super Moderator Staff member Joined Jun 18, 2007 Messages 24,181 Apr 7, 2021 #2 miriam.melo said: View attachment 26269 Click to expand... Since "purported" solutions are given, I would check each of those for given DE. Please show us what you have tried and exactly where you are stuck. Please follow the rules of posting in this forum, as enunciated at: READ BEFORE POSTING Please share your work/thoughts about this problem.
miriam.melo said: View attachment 26269 Click to expand... Since "purported" solutions are given, I would check each of those for given DE. Please show us what you have tried and exactly where you are stuck. Please follow the rules of posting in this forum, as enunciated at: READ BEFORE POSTING Please share your work/thoughts about this problem.
