- #1

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## Homework Statement

Calculate the cross product assuming that u X w = <-7,1,8>

Find (-3u + 4w) X w = ?

## Homework Equations

I'm not sure. I know you have to relate the cross product to something inorder to find what u and w are, but don't know what equations to use.

## The Attempt at a Solution

Don't know where to start