If \left[\begin{array}{ccc}1 & 2 & x \ 4 & -1 & 7 \ 2 & 4 & -6]\end{array} is a singular matrix, then x is equal to

EAMCET Engineering 2007 Solved Paper

Section: Mathematics

Question : 98 of 160

Marks: +1, -0

If [

] is a singular matrix, then x is equal to

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