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Geometric proof

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Give a geometric proof that D(x,y+cx)=D(x,y) for any scalar c

© BrainMass Inc. brainmass.com September 21, 2018, 1:35 pm ad1c9bdddf - https://brainmass.com/math/discrete-math/geometric-proof-signed-area-177948

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Proof:

Look at the above figure.
In the parallelogram spanned by and , its area is .
In the ...

Solution Summary

This shows how to provide a geometric proof regarding scalars.

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