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If vecu, vecv, vecw are three non-coplan...

If `vecu, vecv, vecw` are three non-coplanar vectors, the `(vecu+vecv-vecw).(vecu-vecv)xx(vecv-vecw)` equals

A

0

B

`baru.(barvxxbarw)`

C

`baru.(barwxxbarv)`

D

`3baru.(barvxxbarw)`

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-VECTORS-Competitive Thinking
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  2. If barp=(barbxxbarc)/(bara" "barb" "barc),barq=(barcxxbara)/(bara" "ba...

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  3. If vecu, vecv, vecw are three non-coplanar vectors, the (vecu+vecv-vec...

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  7. If bara,barb,barc are non-coplanar vectors and lambda is a real number...

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  10. If the volume of the tetrahedron formed by the coterminus edges bara,b...

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  12. If the three co-terminous edges of a paralleloP1ped are represented by...

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  13. If bara=2overset(^)i-3overset(^)j+5overset(^)k,barb=3overset(^)i-4over...

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  14. The volume of a tetrahedron (in cubic units) whose vertices are 4overs...

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  16. A(4,3,5),B(0,-2,2) and C(3,2,1) are three points. The coordinates of t...

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  17. If 4veci+7vecj+8veck,2veci+3vecj+4veck and 2veci+5vecj+7vecj are the p...

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  18. consider the points A,B,C and D with position vector 7veci-4vecj+7veck...

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  19. In a right angled triangle ABC, the hypotenuse AB =p, then vec(AB).vec...

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