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  3. 12th Class
  4. Mathematics

12th Class Mathematics Sample Paper Maths Olympiad Model Paper-1

  • question_answer
    The determinate \[\left| \begin{matrix}    xp+y & x & y  \\    yp+z & y & z  \\    0 & xp+y & yp+z  \\ \end{matrix} \right|=0,\] if:

    A)  x, y, z are in A.P.

    B)  x, y, z are in G..P.

    C)  x, y, z are in H.P.

    D)  xy, yz, zx are in A.P.

    E)  None of these

    Correct Answer: B

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