Hi, can someone help me with this please.

pal- E J- {a} {9 points] )Factor A in the form | | a] 2 [rill :2] where 11'] and {2 are orthonormal. You must show the computations that lead to this factorization. {b} {6 points] What is the matrix of the orthogonal plujertion of Ilia onto the image of A [give an actual 3 5-: 3 matrix]. If you have not done the rst part you may receive 4 points by correctly expreesing your answer in terms of\" u] and a