If `|oversetrarra|=10,|oversetrarrb|=1` and `oversetrarra.oversetrarrb=0`, then `|oversetrarraxxoversetrarrb|=`_____.

If oversetrarra.oversetrarrb=0 and oversetrarraxx(oversetrarrbxxoversetrarrc)=oversetrarr0 then oversetrarra.oversetrarrc=?

If oversetrarra=2oversetrarrj and oversetrarrc=-3oversetrarrj what is the angle between oversetrarra and oversetrarrc ?

If theta is angle between oversetrarra and oversetrarrb and |oversetrarraxxoversetrarrb|=|oversetrarraoversetrarrb| Then theta equal to?

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

If (oversetrarra+oversetrarrb)(oversetrarra-oversetrarrb)=12 and |oversetrarra|=2|oversetrarrb| then what is |oversetrarra|

If [oversetrarraoversetrarrboversetrarrc]=10 , what is the value of [oversetrarra+oversetrarrb,oversetrarrb+oversetrarrc,oversetrarrc+oversetrarra] ?

Find a unit vector perpendicualr to each of the vectors (oversetrarra+oversetrarrb) (oversetrarra-oversetrarrb) where oversetrarra=overset^i+overset^j+overset^k and oversetrarrb=2overset^i+3overset^k

If oversetrarra,oversetrarrb,oversetrarrc are unit vectors such that oversetrarra+oversetrarrb+oversetrarrc=0 , then what is the vlue of oversetrarraoversetrarrb+oversetrarrboversetrarrc+oversetrarrcoversetrarra ?

Find the magnitude of oversetrarra+oversetrarrb-2oversetrarrc where oversetrarra=(2,3,4)oversetrarrb=(1,-1,2) and oversetrarrc=(1,0,3)

Find the vector of magniltude 5 units and parallel to the resultant of the vectors oversetrarra=2overset^i+3overset^j-overset^k and oversetrarrb=overset^i-2overset^j+overset^k then find the angle between oversetrarra+oversetrarrb and oversetrarra-oversetrarrb .