If A=\left[\begin{array}{cc}1 & -2 \ 4 & 5]\end{array} and f(t)=t^2-3 t+7, then f(A)+\left[\begin{array}{cc}3 & 6 \ -12 & -9]\end{array} is equal to

\left[\begin{array}{cc}1 & 0 \ 0 & 1]\end{array}

\left[\begin{array}{cc}0 & 0 \ 0 & 0]\end{array}

\left[\begin{array}{cc}0 & 1 \ 1 & 0]\end{array}

\left[\begin{array}{cc}1 & 1 \ 0 & 0]\end{array}

EAMCET Engineering 2008 Solved Paper

Section: Mathematics

Question : 98 of 160

Marks: +1, -0

If A=[

1	−2
4	5

] and f(t)=t2−3t+7, then f(A)+[

3	6
−12	−9

] is equal to

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−7	−12
24	17

−7	−12
24	17

−3	−6
12	9

−3	−6
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