Question

2. Find a unit normal vector to the surface 7 + + 7 = 5 at the point (0, 1, 2). Ans.
CAMIETE​

Answer 1

Answer:

Thus for a plane (or a line), a normal vector can be divided by its length to get a unit normal vector. Example: For the equation, x + 2y + 2z = 9, the vector A = (1, 2, 2) is a normal vector. |A| = square root of (1+4+4) = 3. Thus the vector (1/3)A is a unit normal vector for this plane.

Explanation:

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