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Member warned about posting a problem with no effort shown

## Homework Statement

If an unknown vector X satisfies the relation

X · b = β

X × b = c

express X in terms of β, b, and c.

## Homework Equations

X · b = |X||b|cos(θ)

X × b = |X||b|sin(θ)

## The Attempt at a Solution

I don't know where to start... :( someone pls give me a hint