Answer:
Option D is correct.
Step-by-step explanation:
We can tell that
Now, let's simplify.
=> 
=> 
=> 
=> 
=> 
Therefore, Option D is correct.
Hoped this helped.
Answer:

Step-by-step explanation:
Given equation of ellipsoids,

The vector normal to the given equation of ellipsoid will be given by





Hence, the unit normal vector can be given by,



Hence, the unit vector normal to each point of the given ellipsoid surface is

The answer is A y-28=3(x-6)
Answer:
they are similar cuz it resembles a "z" pattern. The angles are so the same.
<h2>this is a PICTURE </h2><h3>i HOPE IT'S HELP </h3>