Let a = {1, 3,5} and E: {0, 4,4} {a} {4 points} Find E it}. {b} {4 points} Find \"a\". {cl {4 points} Find a unit yector in the direction of E. {d} {3 points} Find a vector that is parallel to E. {e} {5 points] Are E and E orthogonal? Show some work to support your answer. {f} nu points} Find Ii x 3. Show your work. What relationship {graphically} will your answer will have to vectors If and E