how to check the continuity of the function defined by:-
at (0,0)?
i think it should be done by using polar transformation, but can not do it. any help is appreciated.
i did try that earlier here http://www.mathhelpforum.com/math-he...tml#post574521, but nobody replied. (thanks for your help in that thread)
whatever, leave it. here . now, as we get is it correct?