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UPSC NDA II 2023 Mathematics Solved Paper

Consider the following for the next two (02) items that follow :

A function is defined by

f(x)=\begin{vmatrix} x+1 & 2 & 3 \\ 2 & x+4 & 6 \\ 3 & 6 & x+9 \end{vmatrix}

[NDA II 2023]

Question : 45 of 120

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