If A=3-24-2, find the value of λ so that A2=λA-2I. Hence, find A-1.

If $A = [\begin{matrix} 3 & - 2 \\ 4 & - 2 \end{matrix}]$ , find the value of $λ$ so that $A^{2} = λ A - 2 I$ . Hence, find $A^{- 1}$ .

Matching exercise

Match the items on the right to the items on the left.

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6