Which of the following expressions are meaningful? ` vec udot( vec vxx vec w)` b. `( vec udot vec v)dot vec w` c. `( vec udot vec v)dot vec w` d. ` vec uxx( vec vdot vec w)`

Which of the following expressions are meaningful? vec u.( vec vxx vec w) b. ( vec u. vec v). vec w c. ( vec u. vec v). vec w d. vec uxx( vec v. vec w)

Which of the following expressions are meaningful? a. vec u ( vec vxx vec w) b. ( vec u .vec v).vec w c. ( vec u . vec v)vec w d. vec uxx( vec v . vec w)

Which of the following expressions are meaningful? a. vec u.(vec vxx vec w) b. vec u. vec v. vec w c. ( vec u vec v). vec w d. vec uxx( vec v. vec w)

Which of the following expressions are meaningful? a. vec u.(vec vxx vec w) b. vec u. vec v. vec w c. ( vec u vec v). vec w d. vec uxx( vec v. vec w)

Which of the following expressions are meaningful? vec u*(vec v xxvec w) b.(vec u*vec v)*vec w c.(vec u*vec v)*vec w d.vec u xx(vec v.vec w)

For three vectors vec u , vec va n d vec w which of the following expressions is not equal to any of the remaining three ? a. vec udot( vec vxx vec w) b. ( vec vxx vec w)dot vec u c. vec vdot( vec uxx vec w) d. ( vec uxx vec v)dot vec w

For three vectors vec u , vec va n d vec w which of the following expressions is not equal to any of the remaining three ? a. vec udot( vec vxx vec w) b. ( vec vxx vec w)dot vec u c. vec vdot( vec uxx vec w) d. ( vec uxx vec v)dot vec w

For three vectors vec u , vec va n d vec w which of the following expressions is not equal to any of the remaining three ? a. vec u .( vec vxx vec w) b. ( vec vxx vec w). vec u c. vec v.( vec uxx vec w) d. ( vec uxx vec v).vec w

For three vectors vec u,vec v and vec w which of the following expressions is not equal to any of the remaining three ? a.vec uvec v xxvec w b.(vec v xxvec w)vec u c.vec vvec u xxvec w d.(vec u xxvec v)vec w

If vec x+ vec cxx vec y= vec aa n d vec y+ vec cxx vec x= vec b ,w h e r e vec c is a nonzero vector, then which of the following is not correct? a. vec x=( vec bxx vec c+ vec a+( vec c dot vec a) vec c)/(1+ vec c dot vec c) b. vec x=( vec cxx vec b+ vec b+( vec c dot vec a) vec c)/(1+ vec c dot vec c) c. vec y=( vec axx vec c+ vec b+( vec c dot vec b) vec c)/(1+ vec c dot vec c) d. none of these