Let f : R^2 \rightarrow R be given by f(x,y)=x^3-3xy^2.
Let p = (0.0)
Show that p is an isolated critical point of f
show that p is a degenerate critical point.
show that The index of grad f at p is equal to -2
Let f : R^2 \rightarrow R be given by f(x,y)=x^3-3xy^2. Let p = (0.0) Show that p is an isolated critical point of f sho...
Let f(x,y) = 4 + x² + y² – 3xy f has critical points at 10,0) and (1,1) use the second derivative test to classify these points as local min, local max, or saddle point
Given a two-variable function f(x, y), if P(x0,yo) is a critical point, then the behavior of f around P can be approximated by its second order terms according to Taylor series, that is, f(x,y) = f(P) + F(x – xo)?H (x, y) , where H(x, y) = fyy(P)(=%)2 + 2 fxy(P) (?=%) + fxx(P). (a). If H(x, y) > 0 for all x,y, is P a local max, local min or saddle point? (b). Let s = (4=90). Then, H(x,...
DUE DATE: 23 MARCH 2020 1 1. Let f(x,y) = (x, y) + (0,0) 0. (x, y) = (0,0) evaluate lim(x,y)=(4,3) [5] 2r + 8y 2. Show that lim does not exist. [10] (*.w)-(2,-1) 2.ry + 2 3. Find the first and second partial derivatives of f(x,y) = tan-'(x + 2y). [16] 4. If z is implicitly defined as a function of x and y by I?+y2 + 2 = 1, show az Əz that +y=z [14] ar ду 5....
1. Let f : [0, 1]2 → R be given by: 1 f(x,y) -»-< if x = 0 if x + y Show that f is integrable on [0, 1]2 and compute the value of the integral.
Let a function f be f: R rightarrow R such that f(x) = 0 when x lessthanorequalto 0 and f(x) = log(x) * sin(x) when x > 0. f is plotted in the figure below. a) Determine whether f is one-to-one. b) Determine whether f is onto. c) Determine whether f is total. d) Determine ranges for x and y so that f is total but not one-to-one. e) Determine ranges for x and y so that f is one-to-one,...
let P(x,y)=3xy^2 b the first component of G. let C' be the line from (1,3) to (7,1). uss the fundamental theorem of line intefrals to evaluate the integral bounded by C' of the graident vector of P in respect to r. gradient vector of P is <3y^2,6xy> thank you.
4. Given the function f(x,y) = 4+x2 + y3 – 3xy. a. Find all critical points of the function. b. Use the second partials test to find any relative extrema or saddle points.
(1 point) Let X and Y have the joint density function f(x,y)=1x2y2, x≥1, y≥1. Let U=3XY and V=5X/Y . (c) What is the marginal density function for U ? fU(u)= (d) What is the marginal density function for V ? Your answer should be piecewise defined: if 0≤v< , fV(v)= else, fV(v)=
Problem 3: Let f: X -> R, XC R2, be given by f(x, y)n(x 2y 1), V(r,y) e X Find the maximal domain X and write the second-order Taylor polynomial for f around the point (2,1) E X. (6 points)
Problem 3: Let f: X -> R, XC R2, be given by f(x, y)n(x 2y 1), V(r,y) e X Find the maximal domain X and write the second-order Taylor polynomial for f around the point (2,1) E X. (6 points)
(P(x),Q(y), R(z)), where P depends only 2. Let S be any surface with boundary curve C, and let F(x,y, z) on r, where Q depends only on y, and where R depends only on z. Show that F.dr 0 C
(P(x),Q(y), R(z)), where P depends only 2. Let S be any surface with boundary curve C, and let F(x,y, z) on r, where Q depends only on y, and where R depends only on z. Show that F.dr 0 C