Re: Functions of two variables-doubt!

Posted by Noel on Apr 20, 2014; 3:01pm
URL: http://discussion-forum.276.s1.nabble.com/Functions-of-two-variables-doubt-tp7587463p7587479.html

Similarly for question 2..the solution provided by hammond is the region within the concentric circles x^2+y^2=1 and x^2+y^2=4 which again seems incorrect