(e) Show that if Aij is symmetric and Bij is skew symmetric, then the scalar n given by n = A Bij is zero (10 points) (f) For a range of 3 write out all the equations indicated by the following indicial notation expressions: a)=uVkAj, b)λ=u₁v₁+w;r ;, c) Akk = Pjrj (5 points) (5 points) (5 points)