2 votes 2 votes someone please explain how to solve these kind of questions. i am familiar with one variable and do not know how to solve for more than one variables sandeepjkh asked Sep 8, 2017 sandeepjkh 362 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply amrendra pal commented Sep 8, 2017 reply Follow Share see this link you will be get your answer https://arxiv.org/pdf/1209.0363.pdf 2 votes 2 votes sandeepjkh commented Sep 8, 2017 reply Follow Share thank you so much :) 1 votes 1 votes Habibkhan commented Sep 8, 2017 reply Follow Share U can also have a look at : http://tutorial.math.lamar.edu/Classes/CalcIII/Limits.aspx Limit does not exist for the given problem.. 3 votes 3 votes Please log in or register to add a comment.