"The number of 3 Â´ 3 non-singular matrices, with four entries as 1 and   all other entries as 0, is
Channel: Doubtnut
Date: 2020-07-05

"The number of 3 Â´ 3 non-singular matrices, with four entries as 1 and
 
  all other entries as 0, is
 (1) 5Â Â Â Â Â Â Â Â Â Â 
 
  Â Â Â Â (2) 6Â Â Â Â Â Â Â Â Â Â Â Â Â (3) at least 7Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (4) less than 4"