(a.i)i+(a.j)j+(a.k)k=???
Let a = xi + yj + zk
So (a.i) i + (a.j)j + (a.k)k = xi + yj + zk
As xi + yj + zk = a
So final answer is a
So (a.i) i + (a.j)j + (a.k)k = xi + yj + zk
As xi + yj + zk = a
So final answer is a
(a.i)i+(a.j)j+(a.k)k=???