Let 1 0 0 9 0 0 3 2 -J A = 0 0 0 0 4 2 0 0 0 0 0 0 0 0 0 How many positive singular values does A have? Answer: 0The 2,2 entry of the pseudoinverse At is (A+ ) 22 = 1/z. What is z? Answer: 10\fThe matrix A = 5 /2 V2 has a singular value decomposition A = U E VT where U = V2 V2 and v = [ d What is (E) 11? Answer: 7