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If the vectors `overset(^)i+2overset(^)k,overset(^)j+overset(^)k and lambda overset(^)i+mu overset(^)j` collinear, then

A

`lambda=2,mu=1`

B

`lamda=2,mu=-1`

C

`lambda=-1,mu=2`

D

`lambda=-1,mu=-2`

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-VECTORS-Critical Thinking
  1. The points with respective position vectors 60 hati + 3 hatj , 40 hati...

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  2. If the vectors overset(^)i+2overset(^)k,overset(^)j+overset(^)k and la...

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  3. If the vectors -overset(^)i+3overset(^)j+2overset(^)k,-4overset(^)i+2o...

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  4. If three points A,B and C have position vectors (1,x,3),(3,4,7) and (y...

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  5. If the position vectors of the point A,B,C be overset(^)i+overset(^)j,...

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  6. Three points whose position vectors are bara+barb,bara-barb and bara+k...

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  7. If bara,barb and barc be there non-zero vectors, no two of which are c...

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  8. If the points A,B,C and D have position vectors bara,2bara+barb,4bara+...

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  9. If bara=2barp+3barq-barr,barb=barp-2barq+2barr and barc=-2barp+barq-2b...

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  10. If bara+barb+barc=lambdabard and barb+barc+bard=mubara and bara,barb,b...

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  11. A and B are two points. The position vector of A is 6b-2a. A point P ...

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  12. If bar(a),bar(b),bar(c)are the position vectors of the points A, B, C ...

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  13. If bar(OA)=overset(^)i+3overset(^)j-2overset(^)k and bar(OB)=3overset(...

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  14. bara,barb are position vectors of points A and B. If P divides AB in t...

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  15. If 2bara+barb=3barc, then A divides BC in the ratio

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  16. In DeltaABC, P is the mid point of BC,Q divides CA internally in the r...

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  17. If overset(to)(a) =hat(i) - hat(k) , overset(to)(b) = x hat(i) + ...

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  18. If the points (1,1,2),(2,1,p),(1,0,3) and (2,2,0) are co-planar then ...

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  19. If the points A, B, C and D with position vectors overset(^)i+overset(...

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  20. If aoverset(^)i+overset(^)j+overset(^)k,overset(^)i-boverset(^)j+overs...

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