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If two vectors oversetrarra and oversetr...

If two vectors `oversetrarra` and `oversetrarrb` are such that `|oversetrarra+oversetrarrb|=|oversetrarra-oversetrarrb|`, then what is the angle between `oversetrarra` and `oversetrarrb` ?

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`[oversetrarraoversetrarrboversetrarrc]=10 then [oversetrarra+oversetrarrboversetrarrb+oversetrarrcoversetrarrc+oversetrarra]=2[oversetrarraoversetrarrboversetrarrb]=2xx10=20`
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MBD PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
  1. If |oversetrarra|=10,|oversetrarrb|=1 and oversetrarra.oversetrarrb=0...

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  2. If oversetrarra.oversetrarrb=0 and oversetrarraxx(oversetrarrbxxover...

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  3. If two vectors oversetrarra and oversetrarrb are such that |oversetrar...

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  4. If [oversetrarraoversetrarrboversetrarrc]=10, what is the value of [ov...

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  5. If oversetrarra=4overset^i+noverset^j+3overset^k|oversetrarra|=13, wha...

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  6. If [oversetrarraoversetrarrboversetrarrc]=5, then what is [oversetrarr...

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  7. What is the value of x of the vectors 3overset^i-7overset^j-4overset^k...

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  8. If (oversetrarra+oversetrarrb)(oversetrarra-oversetrarrb)=12 and |over...

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  9. Ifoversetrarra,oversetrarrb,oversetrarrc are unit vectors such that ov...

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  10. If theta is angle between oversetrarra and oversetrarrb and |oversetra...

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  11. If oversetrarra=2oversetrarrj and oversetrarrc=-3oversetrarrj what is ...

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  12. Show that the points A,B,C with position vectors oversetrarri+2overset...

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  13. Find a vector in the direction of the vector oversetrarra=5overset^i-o...

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  14. Write the values of m and n for which the vectors (m-1)overset^i+(n+2)...

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  15. Find the magnitude of oversetrarra+oversetrarrb-2oversetrarrc where ov...

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  16. Show that the vectors overset^i+overset^j-2overset^k,overset^i-2overse...

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  17. If oversetrarra=(2,3,6),oversetrarrb=(2,-2,1),oversetrarrc=(-1,0,2) fi...

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  18. If the sum of two unit vectors is a unit vectors find the magnitude of...

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  19. Show that the vectors 3overset^i-4overset^j-4overset^k,2overset^i-over...

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  20. Find the value of k for which A (1,0,3), B(-1,2,4), C(1,2,1) and D(k,2...

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