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[" The three vectors "vec A=3hat i-2hat j+5hat k,vec B=hat i-3hat j+5hat k" and "],[vec C=2hat i+hat j-4hat k," form "],[" (A) An equilateral triangle "],[" (B) Isosceles triangle "],[" (C) A right angled triangle "],[" (D) No triangle "]

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