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Mathematics 8 Online
OpenStudy (babyslapmafro):

Please help with the following question. Is it possible to have ||u-v||=||u+v|| if u and v are nonzero vectors? Justify your conclusion geometrically. My answer is that the two magnitudes are not equivalent but I got that answer by substituting numbers into the equation. How can this be justified geometrically?

OpenStudy (amistre64):

think of a parallelagram

OpenStudy (amistre64):

|dw:1371232572044:dw|

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