Let C denote the curve of intersection between x=−8z^3 and y=4z^2,

1. Let C denote the closed curve of intersection of the hemisphere z = (25 – x’ - y²); and the cylinder x² + y? = 9 oriented counterclockwise. Compute fF.ds where F =(-y,x,z).
3. Let t be the co-ordinate on A (C) and let z, y be the co-ordinates on A2(C). Let f 4z? + 6xy + x-2y® E C[x, y] and let C be the curve C-V((f)) C A2(C) (You may assume without proof that f is an irreducible polynomial, therefore C is irreducible and I(C)- (f).) (a) Show that yo(t) = (2t3, 2t2 + t) defines a morphism p : A1 (C) → C. [3 marks] (b) Show that (z. У)...
3. Let X denote the temperature (°C) and let Y denote the time in minutes that it takes for the diesel engine on an automobile to get ready to start. Assume that the joint density for (X,Y) is given by fxy(x, y) = c(4x + 2y + 1),0 < x < 40,0 < y = 2 (a) Find the value of c that makes this joint density legitimate. (b) Find the probability that on a randomly selected day the air...
15. (1 point) Let C be the intersection curve of the surfaces z = 3x + 5 and x2 + 2y2-1, oriented clockwise as seen from the origin. Let F(x, y, 2) (2z - 1)i +2xj+(-1)k. Compute F.dr (a) directly as a line integral AND (b) as a double integral by using Stokes' Theorem
5. (a) [6] Let C be a simple closed curve given by the intersection between the cylinder 2y2 1 and the surface:-10 + 0.4xy, and F = 《2xz-2y, 2y2+ 2x, x2 + y2 + z?) is a given vector field. Find the circulation F dr
5. (a) [6] Let C be a simple closed curve given by the intersection between the cylinder 2y2 1 and the surface:-10 + 0.4xy, and F = 《2xz-2y, 2y2+ 2x, x2 + y2 + z?)...
Let X denote the diameter of an armored electric cable and Y denote the diameter of the ceramic mold that makes the cable. Both X and Y are scaled so that they range between 0 and 2. Suppose that X and Y have the joint density Ky 0<<y< 2; f(x,y) = 0 otherwise. {K 1. Determine the value of the constant K. 2. Determine the P(X+Y > 0.5).
Let X denote the number of
times (1, 2, or 3 times) a certain machine malfunctions on any
given day.
2. Let X denote the number of times (1, 2, or 3 times) a certain machine malfunctions on any given day. Let Y denote the number of times (1, 2, or 3 times) a technician is called on an emergency call. The joint probability distribution fxy(x, y) is given by 1 2 y 0.05 1 0.05 0.1 2 0.05 0.1...
Let C be the curve (x - 3)2 + 9(y – 1)2 = 36, x +2y + z = 4, oriented counterclockwise when viewed from high on the z-axis. Let F be as shown below. Evaluate $.F. F.dr. F= (32² + 3y² + sin x? )i + (6xy + 3z)j + (x2 + 2yz)k $. F. dr= (Type an exact answer.) с
Question 7 (8 points) Let vf(x,y) denote the gradient field for the function f(x, y) = x2 - y. Sketch a level curve and two gradient field vectors on the level curve.
Let C be the parametric curve (1) Determine the point(s) of intersection of C with the xz plane. (2) Determine the parametric equation of the tangent line to C at (1,1.0) (3) Find the plane that carries the tangent line found above and the vector (4) Set up but not solve, a formula that will determine the length of C for 1StS2
Let C be the parametric curve (1) Determine the point(s) of intersection of C with the xz plane....