[" 20.Let "vec a,vec b,vec c" be three nonzero vectors such that "],[vec a+vec b+vec c=vec 0" and "lambdavec b timesvec a+vec b timesvec c+vec c timesvec a=vec 0," then "lambda],[" is "]

Let vec a, vec b, vec c be three nonzero vectors such that vec a + vec b + vec c = vec 0 and lambdavec b xxvec a + vec b xxvec c + vec c xxvec a = 0 then lambda is

Let vec a, vec b, vec b, vec c be three nonzero vectors such that vec a + vec b + vec c = 0 and lambdavec b xxvec a + vec b xxvec c + vec c xxvec a = 0, then lambda is

Let vec a,vec b and vec c be three non-zero vectors such that vec a+vec b+vec c=0 and lambdavec b xxvec a+vec b xxvec c+vec c xxvec a=0 then find the value of lambda

If vec a , vec b , vec c are three non-coplanar vectors, prove that [ vec a+ vec b+ vec c vec a+ vec b vec a+ vec c]=-[ vec a vec b vec c]

Solve (vec a timesvec a)*vec b

If vec a,vec b,vec c are three vectors such that vec a+vec b+vec c=vec 0, then prove that vec a xxvec b=vec b xxvec c=vec c xxvec a

7.Let vec a,vec b and vec c be three unit vectors such that vec a+vec b+vec c=vec 0 .If lambda=vec a*vec b+vec b*vec c+vec c*vec a , vec d=vec a timesvec b+vec b timesvec c+vec c timesvec a ,then the ordered pair (lambda,vec d) is equal to , 1) (-(3)/(2),3vec c timesvec b) 2) ((3)/(2),3vec a timesvec c) 3) (-(3)/(2),3vec a timesvec b) 4) ((3)/(2),3vec b timesvec c)

If vec a , vec b , vec c are unit vectors such that vec a+ vec b+ vec c= vec0, then write the value of vec a . vec b+ vec b . vec c+ vec c . vec a

If vec a,vec b,vec c are unit vectors such that vec a+vec b+ vec c= vec 0 , then the value of vec a *vec b +vec b* vec c+ vec c*vec a is equal to

If vec a, vec b, vec c are unit vectors such that vec a+ vec b+ vec c =0 , find the value of vec a.vec b+ vec b .vec c + vec c. vec a .