# How do you find a vector perpendicular to the plane containing (0,0,1), (1,0,1) and (-1,-1,-1)?

##### 1 Answer

Aug 12, 2016

#### Answer:

#### Explanation:

The vector

If O is the origin the vectors

and <-1, -1, -1>#.

Now, #pQ=OQ-OP= <1. 0, 0>

and PR = OR-OP = <-1. -1, -2>#