4. Let ū, w be vectors. Prove the Parallelogram Law: || + 2011? + || D...

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math Advanced-Math

Answer 1

Answer #1

soin let ū, o be vector 5 claim 11 5+0 11² +11E-0112 2115,02 e110 112 consider Ellu + w 11²7 115-10112 =<i+w, utw>+<u-w, i-w)

Answer 2

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