" If "vec r=xhat imath+yhat jmath+zhat k," find "(vec r timeshat i)*(vec r timeshat jmath)+xy

if vec r=xhat i+yhat j+zhat k find (vec r xxhat i)*(vec r xxhat j)+xy

If vec r= x hat i+y hat j+z hat k , find ( vec r*hat i ).( vec r*hat j ) +xy.

If vec r=xhat i+yhat j+zhat i, find the value of (vec r xxhat i)vec r xxhat j+xy

If vec(r )=x hat(i)+y hat(j)+x hat(k) , find : (vec(r )xx hat(i)).(vec(r )xx hat(j))+xy .

If vec(r )=x hat(i)+y hat(j)+x hat(k) , find : (vec(r )xx hat(i)).(vec(r )xx hat(j))+xy .

If vec(r) = x hat(i) + y hat(j) + z hat(k) , then find (vec(r) xx hat(i)).(vec(r) xx hat(j)) + xy .

Let vec a=hat i+hat j+hat k and vec r=xhat i+yhat j+zhat k be a variable vector such that vec r*hat i,vec r*hat j and vec r*hat k be positive integers. If vec r*hat j>=3 and vec r*vec a<=12, then the total number of possible vec r is equal to

If vec a=xhat i+yhat j+zhat k, then (widehat a xxhat i)*(hat i xxhat j)+(widehat a xxhat j)*(hat j xxhat k)+(widehat a xxhat k)*(hat k+hat i)

If vec a=xhat i+yhat j+zhat k,vec b=yhat i+zhat j+xhat kandvec c=zhat i+xhat j+yhat k, then vec a xx(vec b xxvec c) is (a)parallel to (y-z)hat i+(z-x)hat j+(x-y)hat k (b)orthogonal to hat i+hat j+hat k (c)orthogonal to (y+z)hat i+(z+x)hat j+(x+y)hat k (d)orthogonal to xhat i+yhat j+zhat k

If vec r*hat i=vec r*hat j=vec r*hat k and |vec r|=3, then find the vector vec r .