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If vec a=4 hat i+6 hat ja n d vec b=3 h...

If ` vec a=4 hat i+6 hat ja n d vec b=3 hat j+4 hat k ,` then find the component of ` vec aa n d vec bdot`

A

`(9/(5 sqrt3) (3 vec j + 4 vec k)`

B

`18/25`

C

`18/25 (3 vec j + 4 vec k)`

D

`18/sqrt13 (3 vec j + 4 vec k)`

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A DAS GUPTA-Product of two Vectors-Exercise
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  10. If |vec a|= |vec b|= 1 and |vec a xx vec b|=1 then

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  12. Let veca=2hati-hatj+hatk , vecb= hati+2hatj-hatk and vec c= hati+hatj-...

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  13. If vec a+ vec b+ vec c=0 and | vec a|=3,\ | vec b|=5 and | vec c|=7 ...

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  14. If vec(a). vec(b) = 0 and vec(a) xx vec(b) = vec(0) then which one of ...

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  15. If vec a=4 hat i+6 hat ja n d vec b=3 hat j+4 hat k , then find the c...

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  16. In each of the following, fill in the blank so that the resulting stat...

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  17. If vec(A) xx vec(B) = vec(B) xx vec(A), then the angle between A to B ...

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  18. Find a unit vector vec cif- vec i+ vec j- vec kb i s e c t st h ea ng...

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