0 1 a1 ai m2 (12 02 02 10. Let A= where ai= a + 0. The matrix B is defined by : : : an an an 72 B = (bij)n where bij = 20; if i + j and bii = 0; -a;. ji (a) Compute A (b) Show that B is invertible and then find its inverse.
0 1 a1 ai m2 (12 02 02 10. Let A= where ai= a + 0. The matrix B is defined by : : : an an an 72 B = (bij)n where bij = 20; if i + j and bii = 0; -a;. ji (a) Compute A (b) Show that B is invertible and then find its inverse.
