If A= and ƒ(x)=2x2 – 4x + 5 then ƒ(A)=?
ƒ(A) = 2A2 – 4A + 5
A2 =
=
ƒ(A) = 2A2 – 4A + 5I
= 2 - 4 +5
= - +
and ƒ(x)=2x2 – 4x + 5 then ƒ(A)=?
- 4
+5
- 
+
and ƒ(x)=2x2 – 4x + 5 then ƒ(A)=? - 4 +5 - +