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Position coordinates of the points A, B,...

Position coordinates of the points A, B,C are (1,2,3),(2,3,1) and (3,1,2) respectively. Using vector method, find the area of the triangle .

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The correct Answer is:
`(3(sqrt(3)))/2 unit^2`
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CHHAYA PUBLICATION-VECTOR-PROBLEM SET-I
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  9. Position coordinates of the points A, B,C are (1,2,3),(2,3,1) and (3,1...

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  10. If vecA=5hati+3hatj-4hatk and vecB=5hati+2hatj+4hatk are two vectors, ...

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  12. Show that the magnitude of vecAxxvecB and area of a parallelogram of...

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  13. Determine the angle between vecA=2hati-2hatj+hatk and vecB=3hati+hatj-...

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  14. If vecA=hati+4hatj+hatk and vecB=3hati-5hatj+hatk, find the unit vect...

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