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If vec b is a vector whose initial poin...

If ` vec b` is a vector whose initial point divides thejoin of `5 hat ia n d5 hat j` in the ratio `k :1` and whose terminal point is the origin and `| vec b|lt=sqrt(37),then k` lies in the interval a. `[-6,-1//6]` b. `(-oo,-6]uu[-1//6,oo)` c. `[0,6]` d. none of these

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CENGAGE PUBLICATION-VECTOR ALGEBRA-All Questions
  1. If hat i-3 hat j+5 hat k bisects the angle between hat a and - hat ...

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  2. If 4 hat i+7 hat j+8 hat k ,2 hat i+3 hat j+4hat ja n d2 hat i+5 hat j...

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  3. If vec b is a vector whose initial point divides thejoin of 5 hat i...

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  4. Find the value of lambda so that the points P ,Q ,R and S on the sides...

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  5. A uni-modular tangent vector on the curve x=t^2+2,y=4t-5,z=2t^2-6 at...

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  6. If vec xa n d vec y are two non-collinear vectors and a, b, and c r...

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  7. The position vectors of points Aa n dB w.r.t. the origin are vec a=...

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  8. What is the unit vector parallel to vec a=3 hat i+4 hat j-2 hat k ...

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  9. ABCD  is a quadrilateral and  E  is the point of intersection of ...

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  10. A straight line L cuts the lines A B ,A Ca n dA D of a parallelogram A...

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  11. Find the vector of magnitude 3, bisecting the angle between the vec...

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  12. If vec aa n d vec b are two vectors of magnitude 1 inclined at 120^0 ...

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  13. If vec r1, vec r2, vec r3 are the position vectors of the collinear ...

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  14. Examine the following vector for linear independence: (1) vec i+ve...

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  15. Show that the vectors 2 vec a- vec b+3 vec c , vec a+ vec b-2 vec ca n...

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  16. Let vec a , vec ba n d vec c be three units vectors such that 2 vec a...

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  17. Four non –zero vectors will always be a.  linearly dependent       ...

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  18. A boat moves in still water with a velocity which is k times less t...

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  19. In a triangle P Q R ,Sa n dT are points on Q Ra n dP R , respectively,...

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  20. In a quadrilateral P Q R S , vec P Q= vec a , vec Q R = vec b , vec S ...

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