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If veca=4i+6jand vecb=3j+6k vector form ...

If `veca=4i+6jand vecb=3j+6k` vector form of the component of a along b is

A

`(18)/(10sqrt3) (3i + 4k)`

B

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

C

`(18)/(sqrt3)(3j+4k)`

D

`(3j+4k)`

Text Solution

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The correct Answer is:
B
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ML KHANNA-ADDITION AND MULTIPLICATION OF VECTORS -Problem Set (2) (MULTIPLE CHOICE QUESTIONS)
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  2. If a + 2b + 3c= 0, then axxb + bxxc+c xxa is equal to

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  3. If veca=4i+6jand vecb=3j+6k vector form of the component of a along b ...

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  4. Let vec a=2 hat i- hat j+ hat k , vec b= hat i+2 hat j= hat ka n d ve...

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  7. Projection of the vector 2i+3j-2k on the vector i+2j+3k is

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  8. If a = 2i+j+2k, b=5i-3j+k, then orthogonal projection vector of a and ...

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  9. Given two vectors a = 2i -3j+6k, b=2i+2j-k and p = ("the projection of...

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  10. Show that the vector of magnitude sqrt(51) which makes equal anges wit...

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  16. If a, b , c are vectors such that c = a + b and a. b = 0 , then

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  17. If a, b, c are three unit vectors such that a+b+c=0. Where 0 is null v...

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