If f(x) = x2 - 4x + 1 , find f(A) when A = [2 3 ] first row and [ 1 2] second row , here x2 is x to the power of 2 or x square.

Given f(x) = x2- 4x + 1 and A =

So, f(A) = - 4 + 1

 

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