# How do you find the inner product and state whether the vectors are perpendicular given #<3,1,4>*<2,8,-2>#?

##### 1 Answer

Nov 1, 2016

The inner product is

The vectors are not perpendicular.

#### Explanation:

**Inner Product Definition**

If

Inner Product = 0

So,

Let

Then the inner product is given by;

**not** perpendicular