Assignment:
Q1) For which values of k are the following vectors u and v orthogonal?
a) u = (2,1,3) , v = (1,7,k)
b) u = (k,k,1) , v = (k,5,6)
Q2) Let u,v be orthogonal unit vectors. Prove that d(u,v) = 2^(1/2)
Provide complete and step by step solution for the question and show calculations and use formulas.