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Questions  >>  CBSE XII  >>  Math  >>  Model Papers
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If \( a, b, c\) are in A.P., show the following: \( \begin{bmatrix} x+1 & x+2 & x+a \\ x+2 & x+3 & x+b \\ x+3 & x+4 & x+c \end{bmatrix} = 0. \)

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