Get ind is the identity matrix of order? Tis the identity matrix of order 2

Write down the identity matrix of order 2.

" Which one is the identity matrix of order "2" "

If I_n is the identity matrix of order n, then rank of I_n is

Show that the matrix A=({:(2,-3),(3,4):}) satisfies the equation A^(2)-6A+17I=O and hence find A^(-1) where I is the identity matrix and O is the null matrix of order 2 times 2 .

What is the value of |3I_3| where I_3 is the identity matrix of order 3?

If I_(n) is the identity matrix of order n then (I_(n))^(-1)=

A matrix of order 3xx3 has determinant 2. What is the value of |A(3I)| , where I is the identity matrix of order 3xx3 .

A matrix of order 3xx3 has determinant 2. What is the value of |A(3I)| , where I is the identity matrix of order 3xx3 .

Multiplication of a matrix A with identity matrix