Final_exe

Final_exe - Sample Exercises for the Final Examination 1....

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Sample Exercises for the Final Examination 1. Given the surface , ) ( 2 / ) ( 2 2 2 2 y x e y x z = (a) write the equation of the tangent plane at an arbitrary point (x,y,z) on the surface. (b) find the maxima, minima and the saddle points of the surface and sketch the surface. (c) using a double integral, compute the volume under the surface and over the square formed by the points (-2,-2), (2,-2), (2,2) and (-2,2). 2. (a) Compute using cylindrical or spherical coordinates, the volume of the solid enclosed by the cones 2 2 2 2 2 1 z and y x y x z + = + = . Hint: divide the solid in two regions. (b) Use the divergence theorem to find the outward flux of the vector field F =x 2 i +y 2 j +z 2 k across the pyramid with basis the square formed by the points (0,0,0), (2,0,0), (2,2,0) and (0,2,0) and vertex at (1,1,2). 3. Show that the line integral + ) , 1 ( ) 0 , 1 ( cos sin π ydy x ydx is independent of the path and evaluate the integral by: (a) finding a potential function for the integrand (this means finding
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This note was uploaded on 09/30/2010 for the course MATH 100 taught by Professor Qt during the Fall '09 term at HKUST.

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Final_exe - Sample Exercises for the Final Examination 1....

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