(3) Show that {(2,3) € R? : x2 + y2 = 1,2 + –1} = {(*):tER}. (ii) Show that {(x, y) € Q2 : x2 + y2 = 1, x + -1} = {(1742, 1942): ted} (iii) Show that {(x, y, z) € ZP : x2 + y2 = z2} = {(m? – n2, 2mn, m? +n2): m, n € Z} (Hints: For (i) consider the equation of the line joining (-1,0) and (x, y) with slope t; For (ii)...
1 point) Find the surface area of the part of the sphere x2 + y2 + z2-1 that lies above the cone z = x2+y2 Surface Area (1 point) Find the surface area of the part of the plane 2a 4y+z 1 that lies inside the cylinder 2y21. Surface Area2pi 1 point) Find the surface area of the part of the sphere x2 + y2 + z2-1 that lies above the cone z = x2+y2 Surface Area (1 point) Find...
22 + y2 with (1 point) The region W lies between the spheres x2 + y2 + z2 = 1 and 22 + y2 + x2 = 4 and within the cone z = z > 0; its boundary is the closed surface, S, oriented outward. Find the flux of F=ri+y +z3k Out of S. flux =
x2 + y2. Find the shortest The distance between a point (cy) and the origin is given by distance from a point on the curve y = 2-1 to the origin.
1. Find the absolute maximum and minimum values of f(r,y) = x2+y2+5y on the disc {(x, y) | x2+y2 < 4}, and identify the points where these values are attained 2. Find the absolute maximum and minimum values of f(x, y) = x3 - 3x - y* + 12y on the closed region bounded by the quadrilateral with vertices at (0,0), (2,2), (2,3), (0,3), and identify the points where these values are attained. 3. A rectangular box is to have...
(1 point Find the volume of the solid that lies within the sphere x2 + 2 + z-64 above the xy plane, and outside the cone z 8V x2 y2 (1 point Find the volume of the solid that lies within the sphere x2 + 2 + z-64 above the xy plane, and outside the cone z 8V x2 y2
Consider the following battle of sexes. Y1 Y2 X1 3,2 1,1 X2 0,0 2,3 (a) Find Minmax payoff values and plot the set of feasible payoffs. (b) Which is the highest symmetric average payoff that can be sustained in the infinitely repeated game?
Find the point(s) on the sphere x2 + y2 + z2 = 1 where the tangent plane is parallel to the plane 2.C + V3y – 3z = 2. Then write the equation(s) of the tangent plane(s). (Explain how you found the point(s) and simplify the equation(s) of the tangent plane(s)).
The parametric equations where 0 tl describe the line segment that joins the points P1(x1, y and P2(x2, y2) Use a graphing device to draw the triangle with vertices A(1, 1), B(3, 4), C(1,7). Find the parametrization, including endpoints, and sketch to check. (Enter your answers as a comma- separated list of equations. Let x and y be in terms of t.) A to B B to C A to C The parametric equations where 0 tl describe the line...
(1 point) Find the volume of the solid that lies within the sphere x2 +y2 .2 16, above the xy plane, and outside the cone 2 (1 point) Find the volume of the solid that lies within the sphere x2 +y2 .2 16, above the xy plane, and outside the cone 2