IIT JEE , AIEEE Forum - Mathematics , Vectors - show vector a=3i-2j+k,vector b=i-3j+5k & vector c=2i+j-4k make right angled triangle

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8 Jun 2008 14:08:02 IST

Subject: show vector a=3i-2j+k,vector b=i-3j+5k & vector c=2i+j-4k make right angled triangle

ankurgupta91 (828)

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as a.c= 0
nd |b|^2 = |a|^2 + |c|^2
thus ,these vectors make a right angled triangle at B

nobody is perfect......i m nobody..............

this reply: 14 points (with 2 Olaaa!! Perrrfect answer.

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