Let m be the space of all 4 x 3 matrices with entries in the finite field of three elements. then the number of matrices of rank 3 in m is : (a) (3-3)(3 -3*)(3*

Let M be the space of all 4 x 3 matrices with entries in the finite field of three elements. Then the number of matrices of rank 3 in M is : (A) (3-3)(3 -3*)(3* -3*) (B) (3-1)(3" - 2)(3* -3) (C) (3-1)(3* - 3)(3 -3) (D) 3(3-1)(3 - 2)