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Let C “ tpx, y, zq P R 3 :|: x 2 ` y 2 “ 1u be the cylinder of radius 1 centered on the z -axis. (a) Show that C is orientable and equip it with a unit normal vector field which represents the [10] ‘outward’ orientation.
(c) Let F be the vector field on R given by F(x, y, z) = (2x +3y, z, 3y + z). (i) Calculate the divergence of F and the curl of F (ii) Let V be the region in IR enclosed by the plane I +2y +z S denote the closed surface that is the boundary of this region V. Sketch a picture of V and S. Then, using the Divergence Theorem, or otherwise, calculate 3 and the XY, YZ...
What is the outward flow of the vector field F=xi+xj+k from the part of the z=x^2-y^2 surface inside the x^2+y^2=a^2 in cylinder?
Let S be the sphere r2 + y2 + z2-k2 oriented outward and let F be the vector field (r, y, 2)/(a2 +y2 +2/2. Find (i) the normal vector field n on S (ii) the normal component of F on S and (ii) the flux of F across S Let S be the sphere r2 + y2 + z2-k2 oriented outward and let F be the vector field (r, y, 2)/(a2 +y2 +2/2. Find (i) the normal vector field n...
Find a unit normal vector to the surface z=x^2 -y^2+1 at the point (2,2,1)
(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
(1) Let G(,y, z) = (x,y, z). Show that there exists no vector field A : R3 -> R3 such that curl(A) Hint: compute its divergence G. (2) Let H R3 -> R3 be given as H(x,y, z) = (1,2,3). Find a vector potential A : R3 -> R3 such that curl(A) smooth function = H. Show that if A is a vector potential for H, then so is A+ Vf, for any f : R5 -> R (3) Let...
2. [25 pts) Let F(x, y, z) = x+i+ xyj + xzk be a vector field in space. Let S be the open surface z= 25 – x2 - y2, which is the upper hemisphere (or dome) of radius 5. Calculate the flux integral F.NDS
Part D,E,F,G 10. Let p(x) +1. Let E be the splitting field for p(x) over Q. a. Find the resolvent cubic R(z). b. Prove that R(x) is irreducible over Q. c. Prove that (E:Q) 12 or 24. d. Prove: Gal(E/Q) A4 or S4 e. If p(x) (2+ az+ b)(a2 + cr + d), verify the calculations on page 100 which show that a2 is a root of the cubic polynomial r(x)3-4. 1. f. Prove: r(x) -4z 1 is irreducible in...
F-dS where S is the cylinder x? +-2, 0 s y < 2 oriented by the unit normal 5- Let F(x,y,z)= (-6x,0,-62). Evaluate pointing out of the cylinder. 6-Let F(x, y,2)- yi- xj +zx°y?k. Evaluate (Vx F) . dS where S is the surface x2+y+32 - 1, z <0 oriented by the upward- pointing unit normal. F-dS where S is the cylinder x? +-2, 0 s y
Let P denote the solid bounded by the surface of the hemisphere z -vl--g and the cone z-Vr2 + y2 and let n denote an outwardly directed unit normal vector Define the vector field (a) Evaluate the surface inteFn dS directly without using Gauss' Divergence aP Theorem (b) Evaluate the triple integraldiv(F) dV directly without using Gauss' Diver gence Theorem. Note: You should obtain the same answer in (a) and (b) In this question you are confirming the result of...