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Questions  >>  CBSE XII  >>  Math  >>  Determinants
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Q)

Solve for $x$ if $\begin{vmatrix} 1 & 4 & 4 \\ 1 & -2 & 1 \\ 1 & 2x & x^2 \end{vmatrix} =0 $

$\begin{array}{1 1} (A) x=2,-1 \\(B) x=-2,1 \\ (C) x=-2,-1 \\ none\;of \;the \;above \end{array}$

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