Find the value of `I.(jtimesK)+j.(ItimesK)+K.(Itimesj)`

If a=2hat(i)+3hat(j)-hat(k), b=-hat(i)+2hat(j)-4hat(k), c=hat(i)+hat(j)+hat(k) , then find the value of (atimesb)*(atimesc) .

Find the value of hat I .( hat j xx hat k) .

sum_(0<=i<=j<=n)^( Find the value of )(i+j)(nC_(i)+nC_(j))

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

Find the value of: (hat i times hat j).hat k + hat i.hat j

Find the value of : (i) (hat(i) xxhat(j))*hat (k) + hat(i)* hat(j) (ii) (hat(k) xx hat(j))* hat(i) +hat(j)* hat(k) hat(i) xx (hat(j) + hat(k) )+hat(j) xx(hat(k) +hat(i))+ hat(k) xx (hat(i)+hat(j))

If l,j,k are the usual three perpendicular unit vectors then the value of i.(j x k)+j.(i x k)+k.(i x j) is

Find the value of: (vec j xxvec k) * (3vec i + 2vec j-vec k)

Find the value of (3hat i-hat j+5hat k)-(hat i-5hat j+3hat k)