The number of `2xx2` idempotent matrices with integer entries are (A) 1 (B) 2 (C) 3 (D) `oo`

The number of all possible 2xx2 matrices with entries 0 or 1 is

The number of 3 x 3 matrices with entries - 1 and 1 is a) 2^(-4) b) 2^(5) c) 2^(6) d) 2^(8)

What is the number of all possible 2xx3 matrices with entries 0 or 1 ?

What is the total number of 2xx2 matrices with each entry 0 or 1?

The number of 2 x 2 matrices A such that all entries are either 1 or 0 is

What is the total number of 2xx2 matrices with each entry 0 or 1 ?

The number of all the possible matrices of order 2xx2 with each entry 0,1 or 2 si (A) 12 (B) 64 (C) 81 (D) none of these

The number of all the possible matrices of order 2xx2 with each entry 0,1 or 2 si (A) 12 (B) 64 (C) 81 (D) none of these

The number of 2xx2 matrices A with real entries, such that A+A^(T)=3I and A A^(T)=5I , is equal to