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If vec a\ is a non zero vecrtor iof mo...

If ` vec a\ ` is a non zero vecrtor iof modulus `a` and `m` is a non zero scalar such that `m a` is a unit vector, write the value of `mdot`

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
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  12. If vec a= hat i+ hat j ,\ vec b= hat j+ hat k\ a n d\ vec c= hat k+...

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  13. If vec a= hat i+2 hat j , vec b= hat j+2 hat k ,\ write a unitvector...

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  14. Write the position vector of a point dividing the line segment joining...

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  16. If vec a=3 hat i- hat j-4 hat k ,\ vec b=-2 hat i+4 hat j-3 hat k\ a...

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  17. A unit vector vec r makes angle pi/3\ a n d\ pi/2 with hat j a n d\ ...

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  18. Find a unit vector in the direction of vec a=3 hat i-2 hat j+6 hat...

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  19. If vec a= hat i+2 hat j-3 hat k\ a n d\ vec b=2 hat i+4 hat j+9 hat ...

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  20. Write a unit vector in the direction of vec b=2 hat i+ hat j+2 hat kd...

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