3. Use the transformation u = xy, v = y to evaluate the integral ∫∫R xy dA, where R is the ay region in the first quadrant bounded by the lines y = x and y = 3x, and the hyperbolas xy = 1, xy = 3
Using Change of Variables..Evaluate ∫∫ R 15y/x dA where R is the region bounded by xy = 2, xy = 6 , y = 4 and y =10 usingthe transformation x=v , y=2u/3v.
2) The region R in the first quadrant of the xy-plane is bounded by the curves y=−3x^2+21x+54, x=0 and y=0. A solid S is formed by rotating R about the y-axis: the (exact) volume of S is = 3) The region R in the first quadrant of the xy-plane is bounded by the curves y=−2sin(x), x=π, x=2π and y=0. A solid S is formed by rotating R about the y-axis: the volume of S is = 4) The region bounded...
5. Evaluate /// (y +z) dV where E is bounded by x = 0, y = 0, x2 + y2 + z2 = 1, and x2 + y2 + 2?" = 9. Use spherical coordinates. Answer must be exact values.
Evaluate the double integral off (x, y) = x + y over the region R bounded by the graphs of x = 13, y = 2, y = 8, and y = 3x-1. Answer:
8. Evaluate the triple integral of the function f(x, y, z) = 6x over the solid region E that lies below the plane r+y - 2 = -1 and above the region in the ry plane bounded by the Vy, y = 1, and r=0. curves =
Evaluate: vr y-x dA , y + 2x+1 where R is the parallelogram bounded by y-x-2, y-x-3, y + 2x = 0, andy+2x=4. Evaluate: vr y-x dA , y + 2x+1 where R is the parallelogram bounded by y-x-2, y-x-3, y + 2x = 0, andy+2x=4.
Evaluate the double integral of f(x, y) = x + y over the region R bounded by the graphs of x = 14, y = 4, y = 8, and y = 3x-1. Answer: Next page
Let S be the surface of the solid bounded by the cylinder x ^2 + y ^2 = 9 and the double-cone z^ 2 = x ^2 + y^ 2 . Evaluate double integral <x ^3 , y^3 , cos(xy)>· dS
9. (10 points) Evaluate S SR(2x2 - xy - y2)dA, where R is the region bounded by y = -2x +4, y = -2x + 7, y = x - 2, and y = 1 +1.