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Can someone get me started?

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- Thread starter physicsss
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- #1

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Can someone get me started?

- #2

HallsofIvy

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2) So if x+y and x-y are orthogonal what must be true?

3) And in order for that to be true what about x and y?

- #3

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[tex] \left\langle x+y, x-y\right\rangle =0 \Longleftrightarrow ||x||=||y|| [/tex] ?

Daniel.

- #4

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As for dextercioby's question, if that is true, then x, y, and x+y make up an isosceles right triangle?

- #5

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Daniel.

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