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If with reference to a right handed syst...

If with reference to a right handed system of mutually perpendicular unit vectors ` hat i ,\ hat j ,\ hat k` we have ` vecalpha=3 hat i- hat j ,\ a n d\ vecbeta=2 hat i+ hat j-3 hat kdot` Express ` vecbeta` in the form ` vecbeta= vecbeta_1+ vecbeta_2,\ w h e r e\ vecbeta_1` is parallel to ` vecalpha\ a n d\ vecbeta_2` is perpendicular to ` vecalphadot`

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