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4 Oct 2011 19:03:53 IST
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let ai^ +bj^+ck^, bi^+cj^+ak^, ci^+aj^+bk^ be the position vectors of three points A,B,C, a,b,c are distinct then (a) A,B,C are colllinear (b) forms an equil-ateral triangle (c) forms an scalene trianglee(d) form a right angled triangle
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6 Oct 2011 15:50:44 IST
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(a) nd (b) i think___!!
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6 Oct 2011 16:17:40 IST
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ans is b)
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6 Oct 2011 18:32:12 IST
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Yes, Its (b), all the magnitudes are equal, But can also be (a) if a=b=c
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