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1 point) Show that Φ(u, u) (Au + 2, u-u, 7u + u) parametrizes the plane 2x -y-z = 4, Then (a) Calculate Tu T,, and n(u, v). þ(D), where D = (u, u) : 0 < u < 9,0 < u < 3. (b) Find the area...
webwork math233 17742 huang s19 16.4 parametrized surfaces /1 16.4 Parametrized surfaces: Problem 1 Problem List Next Problem Previóus Problem (1 point) Show that Ф (u, u)-- (9u t-3, u-u, 17u t u) parametrizes the plane 2x-y-z--6. Then (a) Calculate Tu. T. and n(u, v) (b) Find the area of S-D(D), where D = (mu) : 0 < u < 6,0 < u < 7 (c) Express f(x, y, 2 yz in terms of u and v and evaluate JTs...
4. (1 pt) Calculate Tu, T, and n(u, v) for the parametrized surface at the given point Then find the equation of the tangent plane to the surface at that point Ф(и, у) %3D (2и + v, и — 4v, 5и); Ти The tangent plane: V u=4, v6 , n(u,v) TV =9z
true or false is zero. F 9. The plane tangent to the surface za the point (0,0, 3) is given by the equation 2x - 12y -z+3-0. 10. If f is a differentiable function and zf(x -y), then z +. T 11. If a unit vector u makes the angle of π/4 with the gradient ▽f(P), the directional derivative Duf(P) is equal to |Vf(P)I/2. F 12. There is a point on the hyperboloid 2 -y is parallel to the plane...
Slove 4.3.8 please axbycz d be the equation of a plane with normal Exercise 4.3.16 a. Show that w- (u x v) = u (vxw) = v x (w x u) holds for all vectors w, u, and v. n= C w and (u x v) + (vxw) +(wxu) b. Show that v- a. Show that the point on the plane closest to Po has vector p given by are orthogonal Exercise 4.3.17 Show u x (vxw) = (u w)v-...
5. Calculate the surface area of the portion of the sphere x2+y2+12-4 between the planes z-1 and z ะไ 6. Evaluate (xyz) dS, where S is the portion of the plane 2x+2y+z-2 that lies in the first octant. 7. Evaluate F. ds. a) F = yli + xzj-k through the cone z = VF+ア0s z 4 with normal pointing away from the z-axis. b) F-yi+xj+ek where S is the portion of the cylinder+y9, 0szs3, 0s r and O s y...
4.(10pts) Write Laplaces' equation in cylindricaol co-ordinates(p527 ex.3,use pinstead ofr) Assume the solution, e, φ, z), n can be written φ (p, φ, z)s u(p, φ)e-kz and Show that the equation for u is the two dimensional wave equation; Written in polar co-ordinates:xpcosp,y psinp For a plane wave traveling in a direction defined by:4-kcosce, ky-kinα Show that the plane wave solution can be written; look for a solution u z(x)en (2-n212,-0 And the equation for Z, is Bessels equation:Zh "x2...
əz2(7,t), 0< < 4, t > 0 3 2,0<<< v(z,t) = { (1 point) Solve the heat problem with non-homogeneous boundary conditions ди au (2,t) at u(0,t) = 0, u(4, t) = 3, t > 0, u(2,0) 2,0<2<4. Recall that we find h(2), set v2,t) = u(2,t) – h(2), solve a heat problem for v2,t) and write uz,t) = v(x, t) +(2). Find h(1) h(x) = The solution u(x, t) can be written as u(x, t)=h(2) +v(2,t), where v(x, t)...
7. Find the surface area of the surface r(u, u) = u ui + (u + u)j + (u-u) k, u2 +02-1 V/16-x2-y2 with upward orientation and let 8. Let S be the hemisphere 2 F(x, y,z)-yitj+3z k. Calculate JJs F dS, the flux of F across S 7. Find the surface area of the surface r(u, u) = u ui + (u + u)j + (u-u) k, u2 +02-1 V/16-x2-y2 with upward orientation and let 8. Let S be...
5. In class we saw that the function r(u, v) = (sin u, (2 + cos u) cos v, (2 + cos u) sin v), 0<u<27, 050521 parametrizes a torus T, which is depicted below. (a) Calculate ||ru x rull. (b) Show that T is smooth. (c) Find the equation of the tangent plane to T at (0,). (d) Find the surface area of T (e) Earlier in the semester, we observed that a torus can be built out of...
(7) Let 0 < a <b< c< d for a, b,c,d ER. Consider the set S={(u, v)|0 < u < 1, 0 < v < 1} and lt D be the region in the r-y plance tht is thegof S uer the variable transformation ェ=au + bu, y=cu+du. ) Sketch D in the r-y plane for the case ad -be (a) Sketch D in the r-y plane for the case ad - be0 (c) Calculate the area of D. Show...