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Let u=2i-j+3k" and "a=4i-j+2k. The vecto...

Let `u=2i-j+3k" and "a=4i-j+2k`. The vector component of u orthogonal to a is

A

`-1/7(6i+2j-11k)`

B

`1/7(-6i+2j-11k)`

C

`-1/7(6i-2j+11k)`

D

`-1/7(-6i+2j+11k)`

Text Solution

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The correct Answer is:
A
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MCGROW HILL PUBLICATION-VECTOR ALGEBRA-SOLVED EXAMPLES (Level-1 Single Correct Answer Type Questions)
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  3. Let u=2i-j+3k" and "a=4i-j+2k. The vector component of u orthogonal to...

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  5. The distance between a point P whose position vector is 5i +j + 3k and...

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  7. if veca=2i+2j+3k , vecb=-i+2j+k and vcec=3i+j are such that veca+lambd...

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  9. If a*b=b*c=c*a=0," then [abc] is equal to

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  11. The volume of the parallelopiped whose sides are given by overset(...

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  12. The points with position vectors 60 i+3j ,40 i-8j ,a i-52 j are col...

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  13. If abs(a)=2, abs(b)=3, abs(c)=4" and "a+b+c=0 then the value of b*c+c...

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  14. A,B,C,D are four points in space and |bar(AB) times bar(CD) +bar(BC) t...

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  15. Given a=i+j-k, b=-i+2j+k" and "c=-i+2j-k. A unit vector perpendicular ...

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  19. Let barV = 2i + j - k and barW = i + 3k If barU is a unit vector, th...

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  20. A vector c perpendicular to the vectors 2i+3j-k" and "i-2j+3k satisfyi...

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