Question

Find the gradient of f(x, y)=2e^4x/y-2x at (2, -1).

Answer 1

gradient = <fx, fy>
so fx = [8e^(4x)(y-2x) - 2e^(4x)(-2)] / (y-2x)^2
fy = -2e^(4x) / (y-2x)^2

and just plug in the points and your done