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If vec a\ a n d\ vec b are vectors of ...

If ` vec a\ a n d\ vec b` are vectors of equal magnitude, write the value of `( vec a+ vec b)dot( vec a- vec b)dot`

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RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. If the vectors 3 hat i+m hat j+ hat k\ a n d\ 2 hat i- hat j-8 hat k a...

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  2. If the vectors 3 hat i-2 hat j-4 hat k\ a n d\ 18 hat i-12 hat j-m hat...

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  3. If vec a\ a n d\ vec b are vectors of equal magnitude, write the val...

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  4. If vec a\ a n d\ vec b are two vectors such that ( vec a+ vec b)dot(...

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  5. For any two vectors vec a\ a n d\ vec b write when | vec a+ vec b|=|...

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  6. For any two vectors vec a\ a n d\ vec b write then | vec a+ vec b|=|...

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  7. If vec a\ a n d\ vec b are two vectors of the same magnitude incline...

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  8. If vec adot vec adot=0\ a n d\ vec adot vec b=0 what can you conclud...

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  9. If vec b is a unit vector such that ( vec a+ vec b)dot ( (vec a- vec ...

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  10. If hat a ,\ hat b are unit vector such that\ hat a+ hat b is a unit...

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  11. If | vec a|=13 ,\ | vec b|=5\ a n d\ vec adot vec b=60 , t h e n find...

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  12. If vec a= hat i- hat j\ a n d\ vec b=- hat j+ hat k find the project...

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  13. For any two non zero vectors write the value of (| vec a+ vec b|^2+| v...

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  14. Write the the projections of vec r=3 hat i-4 hat j+12 hat k on the co...

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  15. Writhe the component of vec b along vec adot

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  16. Writhe the value of ( vec adot hat i) hat i+( vec adot hat j) hat j+( ...

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  17. Find the value of theta(0,pi//2) for which vectors vec a=(sintheta) ...

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  18. Write the projection of hat i+ hat j+ hat k along the vector hat jdo...

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  19. Writhe a vector satisfying vec adot hat i= vec adot( hat i+ hat j)= v...

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  20. Find dy/dx if y=e^(3x)

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