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If vec b is a unit vector such that ( v...

If ` vec b` is a unit vector such that `( vec a+ vec b)dot ( (vec a- vec b))=8,\ `find`\ | vec a|dot`

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RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. If vec a\ a n d\ vec b are two vectors of the same magnitude incline...

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

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

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

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

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

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

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

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  9. Writhe the component of vec b along vec adot

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

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

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

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

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

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  15. If vec a\ a n d\ vec b\ a n d\ vec c are mutually perpendicular uni...

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  16. If vec a\ a n d\ vec b are mutually perpendicular unit vectors, writ...

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  17. Find the angle between the vectors vec a= hat i- hat j+ hat k\ a n ...

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  18. For what value of lambda are the vector vec a=2 hat i+lambda hat j+ h...

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  19. Write the value of p for which vec a=3 hat i+2 hat j+9 hat k\ a n d\ ...

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  20. Find the value of lambdadot If the vectors 2 hat i+lambda hat j+3 hat ...

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