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If [vec(a),vec(b),vec(c)]=1, then the va...

If `[vec(a),vec(b),vec(c)]=1,` then the value of `(vec(a)*(vec(b)xxvec(c)))/((vec(c)xxvec(a))*vec(a))+(vec(b)*(vec(c)xxvec(a)))/((vec(a)xxvec(b))*vec(c))+(vec(c)(vec(a)xxvec(b)))/((vec(c)xxvec(b))*vec(a))` is

A

1

B

-1

C

2

D

3

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A
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SURA PUBLICATION-APPLICATIONS OF VECTORA ALGEBRA-EXERCISE 6.10 (Choose the Correct or the most suitable answer from the given four alternative : )
  1. If vec(a)*vec(b)=vec(b)*vec(c),vec(a)=0, then the value of [vec(a),vec...

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  2. If vec(a),vec(b),vec(c) are three unit vectors such that vec(a) is per...

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  3. If [vec(a),vec(b),vec(c)]=1, then the value of (vec(a)*(vec(b)xxvec(c)...

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  4. The volume of the parallelepiped with its edges represented by the vec...

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  5. If vec(a)andvec(b) are unit vectors such that [vec(a),vec(b),vec(a)xxv...

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  6. If vec(a)=hat(i)+hat(j)+hat(k),vec(b)=hat(i)+hat(j),vec(c)=hat(i)and(v...

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  7. If vec(a),vec(b),vec(c) are non-coplanar, non-zero vectors such that [...

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  8. If vec(a),vec(b),vec(c) are three non-coplanar vectors such that vec(a...

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  9. If the volume of the parallelpiped with vec(a)xxvec(b),vec(b)xxvec(c),...

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  10. Consider the vectors, vec(a),vec(b),vec(c),vec(d) such that (vec(a)xxv...

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  11. If vec(a)xx(vec(b)xxvec(c))=(vec(a)xxvec(b))xxvec(c)," where "vec(a),v...

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  12. If vec(a)=2hat(i)+3hat(j)-hat(k),vec(b)=hat(i)+2hat(j)-5hat(k),vec(c)=...

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  13. The angle between the lines (x-2)/(3)=(y+1)/(-2),z=2and(x-1)/(1)=(2y+3...

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  14. If the line (x-2)/(3)=(y-1)/(-5)=(z+2)/(2)" lies in the plane "x+3y-az...

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  15. The angle between the lines vec(r)=(hat(i)+2hat(j)-3hat(k))+t(2hat(i)+...

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  16. The coordinates of the point where the line vec(r)=(6i-j-3k)+t(-i+4k)"...

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  17. Distance from the origin to the plane 3x - 6y + 2z + 7 = 0 is

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  18. The distance between the planes x + 2y + 3z + 7 = 0 and 2x + 4y + 6z +...

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  19. If direction cosines of a line are (1)/(c),(1)/(c),(1)/(c)," then. "

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  20. The vector equation vec(r)=(hat(i)-2hat(j)-hat(k))+t(6hat(j)-hat(k)) r...

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