(d) dimension s = n + rank a 3 71 85. f the characteristic roots of are , and 2, the 2 5 5 -7 characteristic roots of| -2 3 are (a) +2, a,-2 and and 3 1 (c) 2,

(d) dimension S = n + rank A 3 71 85. f the characteristic roots of are , and 2, the 2 5 5 -7 characteristic roots of| -2 3 are (a) +2, A,-2 and and 3 1 (c) 2, and 22 (d) +2 and |, -