If then find (-A² + 6A).

Given :

Matrix A is of order 2 2.

To find : -A² + 6A

Formula used :

Where c_ij = a_i1b_1j + a_i2b_2j + a_i3b_3j + ……………… + a_inb_nj

If A is a matrix of order a b and B is a matrix of order c d ,then matrix AB exists and is of order a d ,if and only if b = c

A² = = =

A² =

-A² = =

6A = 6 × =

6A =

-A² + 6A = + = =

-A² + 6A =