consider the vectors (vector u) = and (vector v) = <1, -4, 10> and theta , the angle between them. Find each of the following

consider the vectors (vector u) = <-1, 3, -5> and (vector v) = <1, -4, 10> and theta , the angle between them. Find each of the following

a. (vector u) . (vector v)

b. (vector u) x (vector u)

c. theta

please show all detailed steps with explanation