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The sides (in meters) of a box joining at origin are represented by vectors a= 4i, b= 2i + 3j and c= i+k. The surface area of the box is

The sides (in meters) of a box joining at origin are represented by vectors a= 4i, b= 2i + 3j and c= i+k. The surface area of the box is 

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1 Answers

KAPIL MANDAL
132 Points
8 years ago
Surfce area is a vector. So, you do cross product. The ans is 
2×{(a×b)+(b×c)+(c×a)}
 

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