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\( \Large A = \begin{pmatrix} 1 & 4\\ 2 & -1 \end{pmatrix} \), \( \Large f(x) = x^{2} - 9 \) then f(A) is


A) \( \Large \begin{pmatrix} -8 & 5\\ -5 & -8 \end{pmatrix} \)

B) \( \Large \begin{pmatrix} 0 & 0\\ 0 & 0 \end{pmatrix} \)

C) -16

D) 12

Correct Answer:
B) \( \Large \begin{pmatrix} 0 & 0\\ 0 & 0 \end{pmatrix} \)


Part of solved TNPSC Question Paper(2011) questions and answers : Exams >> TNPSC >> TNPSC Question Paper(2011)




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