If ` vec aa n d vec b` are any two unit vectors, then find the greatest positive integer in the range of `(3| vec a+ vec b|)/2+2| vec a- vec b|` .

If vec a and vec b are any two unit vectors,then find the greatest positive integer in the range of (3|vec a+vec b|)/(2)+2|vec a-vec b|

If vec a , a n d vec b are unit vectors , then find the greatest value of | vec a+ vec b|+| vec a- vec b|dot

If vec a , a n d vec b are unit vectors , then find the greatest value of | vec a+ vec b|+| vec a- vec b|dot

If vec a , a n d vec b are unit vectors , then find the greatest value of | vec a+ vec b|+| vec a- vec b|dot

If vec a, and vec b are unit vectors,then find the greatest value of |vec a+vec b|+|vec a-vec b|

If vec a and vec b are two unit vectors such that vec a+vec b is also a unit vector then find the angle between vec a and vec b

If vec a and vec b are two unit vectors such that vec a+vec b is also a unit vector,then find the angle between vec a and vec b.

If vec a and vec b be two unit vectors such that vec a+ vec b is also a unit vector, then find the angle between vec a and vec b

If vec a\ a n d\ vec b are unit vectorts, then the greatest value fo sqrt(3)| vec a+ vec b|+| vec a- vec b| is (a).2 (b). 2sqrt(2) (c).4 (d). none of these

If vec aa n d vec b are two vectors such that | vec axx vec b|=2, then find the value of [ vec a vec b vec axx vec b]dot