- #1

brad sue

- 281

- 0

It's about three dimension space and it is about vectors properties:

Find the unit vectors

**u**that are prependicular to both

**i+2j+k**and

**3i-4j+2k**.

the second is:

Find two mutually perpendicular unit vectors that are perpendicular to

**2i+3j**

Thank you for your help

Brad