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If ABCD is a parallelogram then bar(AC)+...

If ABCD is a parallelogram then `bar(AC)+bar(BD)=`

A

`bar(AB)`

B

`2bar(AB)`

C

`bar(BC)`

D

`2bar(BC)`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-PROPERTIES OF VECTORS-EXERCISE - II
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  2. If D, E and F are respectively the mid-points of AB, AC and BC in Delt...

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  3. If ABCD is a parallelogram then bar(AC)+bar(BD)=

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  4. ABCD is a parallelogram, with AC, BD as diagonals, then overset(-)(AC)...

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  5. OACB is a parallelogram with bar(OC)=bar(a), bar(AB)=bar(b)" then "bar...

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  6. If the diagonals of a parallelogram are bar(i)+5bar(j)-2bar(k) and -2b...

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  7. ABCD is a quadrilateral. E is the point of intersection of the line jo...

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  8. ABCDE is a pentagon then bar(AB)+bar(AE)+bar(BC)+bar(DC)+bar(ED)+bar...

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  9. ABCDEF is a regular hexagon. If bar(AB)+bar(AE)+bar(BC)+bar(DC)+bar(...

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  10. ABCDEF is a regular hexagon. bar(AB)+bar(AC)+bar(AD)+bar(EA)+bar(FA)...

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

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

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

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

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

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

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

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

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

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

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