Thu 24 Nov, 2005 04:42 am - 2. a) Define what it means to describe a function f of two real variables as differentiable at (a, b)? Define (as limits) the partial derivatives df/dx and df/dy at
(a, b) and prove that if f is... (view)
Thu 24 Nov, 2005 04:40 am - 1a)Do these functions have limits.If the limit exists, find it with justification, if not explain why not
i) f(x,y) =x²-y²/x²+y²
ii) f(x,y)... (view)
