B) let m_ (r) be the set of all m xn real matrices. which of the following statements is correc 17. mxn 3a e ms (r) s.t. the dimension of null space of a is 2 3

B) Let M_ (R) be the set of all m xn real matrices. Which of the following statements is correc 17. mxn 3A e Ms (R) s.t. the dimension of null space of A is 2 3A e M,x5 (R) s.t. the dimension of null space of A is 0 3A E Ms (R) and Be M2 (R) s.t. AB is the 2 x 2 identity matrix BA E M,u5 (R) whose null space is {%,, X Xg Xg X)) e Rx, = XX X, = x (A) (B) (C) (D)