MCQOPTIONS
Saved Bookmarks
| 1. |
Find a unit vector normal to the surface of the ellipsoid at (2,2,1) if the ellipsoid is defined as f(x,y,z) = x2 + y2 + z2 10. |
| A. | ( frac{2}{3} a_x + frac{2}{3} a_y + frac{1}{3} a_z ) |
| B. | ( frac{1}{3} a_x + frac{1}{3} a_y + frac{1}{3} a_z ) |
| C. | ( frac{2}{3} a_x + frac{2}{3} a_y + frac{2}{3} a_z ) |
| D. | ( frac{2}{3} a_x + frac{1}{3} a_y + frac{1}{3} a_z ) |
| Answer» B. ( frac{1}{3} a_x + frac{1}{3} a_y + frac{1}{3} a_z ) | |