Saved Bookmarks
| 1. |
X (x - 2 y) x (x square + 2 X Y + 4 y square equals to |
|
Answer» Answer: For a PARABOLA, dx dy
=0 at the vertex. Hence, 2x+2y dx dy
−2x dx dy
−2y−4−4 dx dy
=0 2x−2y−4=0 x=2+y Putting it BACK in the EQUATION, we get (2+y) 2 +y 2 −2y(y+2)−4(y+2)−4y+4=0 4+4y+y 2 +y 2 −2y 2 −4y−4y−8−4y+4=0 −8y=0 y=0 x=2 |
|