The value of `(r.i)i+(r.j)j+(r.k)k` is

The value of (vec r*hat i)(vec r xxhat i)+(vec r*hat j)(vec r xxhat j)+(vec r*hat k)(vec r xxhat k) is equal to '

The value of (vec r*hat i)(vec r xxhat i)+(vec r*hat j)(vec r xxhat j)+(vec r*hat k)(vec r xxhat k) is equal to

If the vectors p hat(i)+hat(j)+hat(k), hat(i)+q hat(j)+hat(k) and hat(i)+hat(j)+r hat(k) (p ne q ne r ne 1) are coplanar, then the value of pqr -(p+q+r) is :

If sum_(j=0)^(2015)sum_(i=0)^(2015)iC_(j)=k, then the value of (k+2)^((1)/(216))is(where^(n)C_(r)=0AA n

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

The value of scalar triple product i-2j+3k, 2i+j-k" and "j+k is

(r.i)(r xx i)+(r.j)(r xx xj)+(r.k)(r xx k) is equal to