In applying one or more row operations while finding ${A^{ - 1}}$ by elementary row operations, we obtain all zeroes in one or more, then ${A^{ - 1}}$..........

In applying one or more row operations while finding ${A^{ - 1}}$ by

elementary row operations, we obtain all zeroes in one or more,

then ${A^{ - 1}}$ does not exist.

State Exercises 82 to 101 which of the following statements are True or False