## Partial Derivatives Resources Finding critical points and limits.

Let f(x,y) = 1/(x2 - y) (a) Determine the critical points of f. (b) Does the limit of the function f at the point (0, 0) exist? Justify your answer find a point within a triangle such that the sum of the squares of its distances from three vertices is minimum

find a point within a triangle such that the sum of the squares of its distances from three vertices is minimum Help! Function of two variable

Let w=f(x,y) be a function of two variables and let x=u+v, y=u-v. Show that ∂2w/∂u∂v=∂2w/∂x2-∂2w/∂y2. Partial derivatives help

I'm having problems finding the following: say F = -kTN*ln(2*cosh(βμB)) where everything is a constant and β=(1/kT) I want to find S = -(∂F/∂T) and the answer should... Show that when r changes by ?r; the change in the acceleration due to gravity, g; is given by ?g ˜ -2g ( ?r / r)

The acceleration due to gravity, g; is given by g = GM / r2 ; where M is the mass of the earth, r is the distance from the center of the earth, and G is the universal gravitational... how do i find the derivative of 2xe^x^2?

I have an equation based on the principle   lim     f(x)            lim     f'(x) x→x0  g(x)    =   ... calculus 3

express dw/dt as a function of t, both by using the chain rule and by expressing w in terms of t and differentiating directly with respect to t. then, evaluate dw/dt at the given value of t.   1... Partial Derivatives

Let a and b be positive constants. Let R(x,y) = bx^(a)y^(b) 1. Calculate x(∂R/∂x) + y(∂R/∂y). 2. Calculate (a + b)R(x,y). 3. How are the two expressions above related...