If ` vec a. vec a=0` and ` vec a. vec b=0,` what can you conclude about the vector ` vec b ?`

If vec adot vec a=0\ a n d\ vec adot vec b=0\ what can you conclude about the vector vec b ?

If vec adot vec adot=0\ a n d\ vec adot vec b=0 what can you conclude about the vector vec b ?

If vec a\ .\ vec a=0 and vec a\ . vec b=0, then what can be concluded about the vector vec b ?

Given that vec a dot vec b=0 and vec axx vec b= 0 . What can you conclude about the vectors vec a and vec b .

If vec a and vec b are two vectors, such that vec a.vec b <0 and | vec a.vec b|=| vec axx vec b|, then the angle between vectors vec a and vec b is a. pi b. 7pi//4 c. pi//4 d. 3pi//4

If vec a and vec b are two vectors such that | vec a|=4,| vec b|=3 and vec a . vec b=6 . Find the angle between vec a and vec b .

If vec a ,\ vec b ,\ vec c are three vectors such that vec a. vec b= vec a.\ vec c and vec a\ xx\ vec b= vec a\ xx\ vec c ,\ vec a\ !=0 , then show that vec b= vec c .

If vec(A) , vec(B) and vec(C ) are three vectors when you can say that vec(A) + vec(B) = vec(C ) and A+B = C are the same ?

If vec r. vec a=0, vec r. vec b=1 \ and \ [[ vec r ,vec a, vec b]]=1, vec adot vec b!=0,( vec adot vec b)^2-| vec a|^2| vec b|^2=-1, then find vec r in terms of vec a \ and \ vec b .

If vec a_|_ vec b , then vector vec v in terms of vec aa n d vec b satisfying the equation s vec vdot vec a=0a n d vec vdot vec b=1a n d[ vec v vec a vec b]=1 is vec b/(| vec b|^2)+( vec axx vec b)/(| vec axx vec b|^2) b. vec b/(| vec b|^)+( vec axx vec b)/(| vec axx vec b|^2) c. vec b/(| vec b|^2)+( vec axx vec b)/(| vec axx vec b|^) d. none of these