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Find a vector in the direction of vector `2 hat i-3 hat j+6 hat k` which has magnitude 21 units.

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
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  13. The vector equation of the plane passing through vec a ,\ vec b , ve...

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  14. If O\ a n d\ O^(prime) are circumcentre and orthocentre of \ A B C ,\ ...

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  15. If vec a ,\ vec b ,\ vec c and vec d are the position vectors of p...

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  17. If A B C D E F is a regular hexagon, them vec A D+ vec E B+ vec F C e...

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  18. The position vectors of the points A ,\ B ,\ C are 2 hat i+ hat j- hat...

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  19. If three points A ,\ B ,\ a n d\ C have position vectors hat i+x hat ...

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  20. A B C D isa parallelogram with A C\ a n d\ B D as diagonals. Then, ve...

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