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Questions  >>  CBSE XII  >>  Math  >>  Model Papers
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Using the properties of determinants, prove the following : \[ \begin{vmatrix} b+c & c+a & a+b \\ q+r & r+p & p+q \\ y+z & z+x & x+y \end{vmatrix} = 2 \begin{vmatrix} a & b & c \\ p & q & r \\ x & y & z \end{vmatrix} \]

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