1. Compute the following integrals: (a) S1 (x+y+2)dA where T C R2 is the triangle with...
1. Compute the following integrals: 9 (a) S (x+y+2)dA where T C R2 is the triangle with vertices (-1,-1), (0, 2) and (1,1) (b) Sp (3x + 6y)<dA where D is the quadrilateral with vertices (0,1), (2,0), (0, -1) and (-2,0) 2 9
1/3 x + y 7. Consider dA where R is the region bounded by the triangle with vertices (0,0), (2,0), V= x+y X-y and (0,-2). The change of variables u=- defines a transformation T(x,y)=(u,v) from the xy-plane 2 to the uv-plane. (a) (10 pts) Write S (in terms of u and v) using set- builder notation, where T:R→S. Use T to help you sketch S in the uv-plane by evaluating T at the vertices. - 1 a(u,v) (b) (4 pts)...
(b) Evaluate the double integral e(y-2)/(y+2) dA where D is the triangle with vertices (0,0), (2,0) and (0,2). (Hint: Change variables, let u = y - x and v = y + x.)
integrals below are equivalent. According to Green's theorem, the two x4 dx+xy dy= y-0 dA Question 9: Calculate both sides of where D is the triangle with vertices at (0,0), (0,1), and (1,0). Note the integral on the left side is around the boundary and you will need three separate integrals. integrals below are equivalent. According to Green's theorem, the two x4 dx+xy dy= y-0 dA Question 9: Calculate both sides of where D is the triangle with vertices at...
ſcos (n =)drdy - 2 sini where D is defined by x+y=1 Calculate the values of the following areas: 5. The part of the plane 3x+4y+6z=12 directly above the rectangle D, the four vertices of D are: (0,0), (2,0), (2,1) and (0,1) Answer: (761)/3 6. The part of the curved surface z=v(4-y^2) directly above the rectangle D, the four vertices of D are: (1,0), (2,0), (2,1) and (1,1) Answer: 1/3 7. The finite part of parabola z=x^2+y^2 cut by plane...
4. Evaluate (2 + y)dA, where D is the triangle with vertices (0,0), (0,1),(1,0).
1 Use Stokes' theorem to evaluate the integrals: F(x, y, z) dr a) where F(r, y,z)(3yz,e, 22) and C is the boundary of the triangle i the plane y2 with vertices b) where F(x, y,z (-2,2,5xz) and C is in the plane 12- y and is the boundary of the region that lies above the square with vertices (3,5, 0), (3,7,0),(4,5,0), (4,7,0) c) where F(x, y,z(7ry, -z, 3ryz) and C is in the plane y d) where intersected with z...
Evaluate the following: where S-( (z, y) є R2 : 0 ST/2,0 < y ST/2). (a) Jls (cosz-s (b) fdl where y is the line segment from (2,-1,3) to (0, 1, 4) and f (x,y,z)-y+2 sin y) dA 3 marks 3 marks (c) Jc F dr where C is the unit circle centred at the origin, traversed once anticlockwise and F R2R2 is given by F(r,y)- (x2.x + y) 3 marks JJR eVEdA where R is the region enclosed by...
5. Let (X, Y) be a uniformly distributed random point on the quadrilateral D with vertices (0,0), (2,0),(1,1), (0,1) Uniformly distributed means that the joint probability density function of X and Y is a constant on D (equal to 1/area(D)). (a) Do you think Cov(X, Y) is positive, negative, or zero? Can you answer this without doing any calculations? (b) Compute Cov(X, Y) and pxyCorr(X, Y)
Suppose (X,Y ) is chosen according to the continuous uniform distribution on the triangle with vertices (0,0), (0,1) and (2,0), that is, the joint pdf of (X,Y ) is fX,Y (x,y) =c, for 0 ≤ x ≤ 2,0 ≤ y ≤ 1, 1/ 2x + y ≤ 1, 0 , else. (a) Find the value of c. (b) Calculate the pdf, the mean and variance of X. (c) Calculate the pdf and the mean of Y . (d) Calculate the...