If `veca`,`vec b` ,`vec c` are three vectors such that each is inclined at an angle `(pi)/(3)` with the other two and `|vec a|=1,|vec b|=2,|vec c|=3` ,then

If vec a,vec b,vec c are three vectors such that vec a=vec b+vec c and the angle between vec b and vec c is (pi)/(2), then

If vec a and vec b are two vectors of the same magnitude inclined at an angle of 30^(@) such that vec a.vec b=3, find |vec a|,|vec b|

If vec a,vec b, and vec c are three vectors such that vec a xxvec b=vec c,vec b xxvec c=vec a,vec c xxvec a=vec b then prove that |vec a|=|vec b|=|vec c|

If vec a and vec b are two vectors of the same magnitude inclined at angle of 30^(@) such that vec adot b=3,f in d|vec a|,|vec b|

Let vec a , vec b , vec c are three vectors , such that vec a + vec b + vec c = vec 0 .If , |vec a|=3 , |vec b|=4 and | vec c|=5 , then the value of, |vec a+vec b|^(2) + |vec b-vec c|^(2) + |vec c+vec a|^(2) , equal to :

If vec a,vec b,vec c be three vectors such that |vec a+vec b+vec c|=1,vec c=lambda(vec a xxvec b) and |vec a|=(1)/(sqrt(2)),|vec b|=(1)/(sqrt(3)),|vec c|=(1)/(sqrt(6)), then the angle between vec a and vec b is

If vec a,vec b,vec c are three vectors such that vec a+vec b+vec c=vec 0 and |vec a|=3,|b|=4,|vec c|=5 Find the value of vec a*vec b+vec b*vec c+vec c*vec a

Let vec a,vec b,vec c are the three vectors such that |vec a|=|vec b|=|vec c|=2 and angle between vec a and vec b is (pi)/(3),vec b and vec c and (pi)/(3) and vec a and vec c(pi)/(3). If vec a,vec b and vec c are sides of parallelogram

If vec a,vec b and vec c are three units vectors equally inclined to each other at an angle alpha. Then the angle between vec a and plane of vec b and vec c is

If vec(a) , vec(b) and vec(c ) be three vectors such that vec(a) + vec(b) + vec(c )=0 and |vec(a)|=3, |vec(b)|=5,|vec(C )|=7 , find the angle between vec(a) and vec(b) .