# What is the unit vector that is normal to the plane containing 3i+7j-2k and 8i+2j+9k?

##### 1 Answer

Nov 7, 2016

#### Answer:

The unit vector normal to the plane is

#### Explanation:

Let us consider

The normal to the plane

The unit vector normal to the plane is

So

Now substitute all in above equation, we get unit vector =