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Home  >>  CBSE XII  >>  Math  >>  Model Papers
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If x, y, z are different numbers and \[ A = \begin{bmatrix} x & x^2 & 1+x^3 \\ y & y^2 & 1+y^3 \\ z & z^2 & 1+z^3 \end{bmatrix} = 0 \] , then show that 1 + x y z = 0

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