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

What is the unit vector perpendlcular to each of the vectors overset^i+overset^j,overset^j+overset^k ?

Find the direction cosines of the vectors, oversetrarr(r_1)-oversetrarr(r_2) whaere oversetrarr(r_1)=overset^i+overset^j+overset^k and oversetrarr(r_2)=2overset^i+overset^j+2overset^k .

What is the scalar product of the vectors oversetrarra=2overset^i+overset^j+2overset^k and oversetrarrb=overset^i-2overset^j+overset^k

What is the scalar projection of the vector oversetrarra=overset^i+overset^j+overset^k on oversetrarrb=2overset^i+2overset^j-overset^k

What is the angle between the vectors oversetrarra=overset^i+overset^j+overset^k and oversetrarrb=2overset^i-overset^j+overset^k

Find the unit vector perpendicular to i + j and i + k .

What is the vector projection (component) of the vector oversetrarra=2overset^i+overset^j-overset^k on oversetrarrb=overset^i+2overset^j+overset^k

If oversetrarra=overset^i+2overset^j-3overset^k and oversetrarrb=3overset^i-overset^j+2overset^k then find the angle between

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 .