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ABCDEF is a regular hexagon. O is cent...

ABCDEF is a regular hexagon.
O is centre and P.V. of A, B are `bar(i)-bar(j)+2bar(k), 2bar(i)+bar(j)+bar(k)" then "bar(BC)=`

A

`-bar(i)+bar(j)+2bar(k)`

B

`-bar(i)+bar(j)-2bar(k)`

C

`-bar(i)+bar(j)+bar(k)`

D

`-bar(i)+bar(j)`

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AAKASH SERIES-PROPERTIES OF VECTORS-EXERCISE - II
  1. ABCDEF is a regular hexagon. If bar(AB)=bar(a), bar(BC)=bar(b)" then...

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  2. ABCDEF is a regular hexagon. If bar(AB)=bar(a), bar(BC)=bar(b)" then...

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  3. ABCDEF is a regular hexagon. O is centre and P.V. of A, B are bar(i)...

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  4. If OABC, OCDE, OEFA are adjacent faces of a cube OABCDEF then bar(OB)+...

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  5. If I is the centre of a circle inscribed in a DeltaABC, then abs(bar(B...

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  6. If bar(r)=3bar(p)+4bar(q)" and "2bar(r)=bar(p)-3bar(q) then

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  7. If bar(e)=lbar(i)+mbar(j)+nbar(k) is a unit vector then maximum value ...

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  8. If l, m, n are d.c's of vector bar(OP) then maximum value of lmn is

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  9. A vector bar(a) has components a(1), a(2), a(3) in the right handed sy...

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  10. A vector bar(a) has components 2p and 1 w.r.t a rectangular cartesian ...

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  11. In a DeltaOAB The P.V.'s of A, B are bar(a), bar(b) respectively. The ...

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  12. The position vectors A, B are bar(a), bar(b) respectively. The positio...

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  13. If bar(a), bar(b), bar(c) are the position vectors of the vertices A, ...

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  14. The equation to the altitude of the triangle formed by (1, 1, 1), (1, ...

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  15. If the position vectors of A, B are 2bar(i)-9bar(j)-4bar(k), 6bar(i)-3...

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  16. If the position vectors of A, B, C, D are 3bar(i)+2bar(j)+bar(k), 4bar...

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  17. The lineas r = (6 - 6s) a + (4s - 4) b + (4 - 8s) c and r = (2t - 1) a...

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  18. A point on the line passing through (1, 1, 1) and parallel to (1, -2, ...

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  19. A line passing through the point A(3bar(i)+bar(j)-bar(k)) and parallel...

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  20. The point of intersection of the line passing through bar(i)-2bar(j)-b...

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