Let ` vec Aa n d vec B` be two non-parallel unit vectors in a plane. If `(alpha vec A+ vec B)` bisects the internal angle between ` vec Aa n d vec B ,` then find the value of `alphadot`

Let vec A and vec B be two non-parallel unit vectors in a plane. If (alpha vec A+ vec B) bisects the internal angle between vec A and vec B , then find the value of alphadot

Let vec A and vec B be two non-parallel unit vectors in a plane. If (alpha vec A+ vec B) bisects the internal angle between vec A and vec B , then find the value of alphadot

Let vec A and vec B be two non-parallel unit vectors in a plane.If (alphavec A+vec B) bisects the internal angle between vec A and vec B ,then find the value of alpha.

If vec a ,a n d vec b be two non-collinear unit vector such that vec axx( vec axx vec b)=1/2 vec b , then find the angle between vec a ,a n d vec bdot

If the angel between unit vectors vec aa n d vec b60^0 , then find the value of | vec a- vec b|dot

If the angel between unit vectors vec aa n d vec b60^0 , then find the value of | vec a- vec b|dot

If the angel between unit vectors vec aa n d vec b60^0 , then find the value of | vec a- vec b|dot

If three unit vectors vec a , vec b ,a n d vec c satisfy vec a+ vec b+ vec c=0, then find the angle between vec aa n d vec bdot

If | vec a|+| vec b|=| vec c|a n d vec a+ vec b= vec c , then find the angle between vec aa n d vec bdot

If vec a , vec b ,a n d vec c are there mutually perpendicular unit vectors and vec d is a unit vector which makes equal angles with vec a , vec b ,a n d vec c , the find the value off | vec a+ vec b+ vec c+ vec d|^2dot