- #1

TsAmE

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## Homework Statement

How would you find a vector perpendicular to (2,-1,1)?

## Homework Equations

None.

## The Attempt at a Solution

I tried saying (x,y,z) x (2,-1,1) = 1 (since sin90 max at 1)

but have 3 unknowns, x, y and z so don't know how to get a numerical answer