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Find |veca-vecb|, if two vectors veca an...

Find `|veca-vecb|`, if two vectors `veca` and `vecb` are such that `|veca|=2,|vecb|=3` and `veca*vecb=4`.

A

`sqrt5`

B

5

C

3

D

`sqrt3`

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A
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JMD PUBLICATION-VECTOR ALGEBRA-EXAMPLE
  1. If |veca|=1,|vecb|=2 and veca*vecb=1. Then the angle between veca and ...

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  2. If |veca*vecb|=sqrt3|vecaxxvecb|,then angle between veca and vecb is :

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  3. Find |veca-vecb|, if two vectors veca and vecb are such that |veca|=2,...

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  4. Fill in the blanks : If veca=xhati+2hatj-3hatk and vecb=3hati+bhatj-...

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  5. Fill in the blanks : Unit vector in direction of 2hati-3hatj+6hatk=(...

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  6. Fill in the blanks : If veca=3hati+hatj-2hatk and vecb=hati+lamdahat...

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  7. If |veca*vecb|=|vecaxxvecb|,then angle between veca and vecb is :

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  8. Fill in the blanks : If |\vecaxxvecb|^2+(veca.vecb)^2=400 and |\vec...

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  9. State True/False The value of veca.veca is |\veca|^2.

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  10. State True/False If veca is unit vector and (2vecx-3veca).(2vecx+3ve...

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  11. State True/False Then magnitude of 2hati-3hatj+6hatk is 7 units.

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  12. Write the value of (hatixxhatj).k+(hatjxxhatk).hati.

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  13. Write the value of p for which veca=3hati+2hatj+9hatk and vecb=hati+ph...

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  14. Prove that : (vecaxxvecb)^2=|\veca|^2.|\vecb|^2-(veca.vecb)^2.

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  15. If veca=4hati+3hatj+hatk and vecb=hati-2hatk, find |\2vecbxxveca|.

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  16. The projection of veca=2hati-hatj+hatk on vecb=hati-2hatj+hatk is equa...

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  17. Find unit vector in the direction of veca+vecb, where veca=-hati+hatj+...

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  18. Find the angle between the vectors veca=hati-hatj+hatk and vecb=hati+h...

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  19. If |\veca|=sqrt3,|\vecb|=2 and angle between veca and vecb is 60^o. Fi...

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  20. If |\veca|=2,|\vecb|=sqrt3 and veca.vecb=sqrt3, find the angle between...

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