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JEE Main & Advanced Mathematics Determinants & Matrices Question Bank System of linear equations, Some special determinants, differentiation and integration of determinants

  • question_answer
    The values of \[x,y,z\] in order of the system of equations \[3x+y+2z=3,\] \[2x-3y-z=-3\], \[x+2y+z=4,\] are [MP PET 2003]

    A) 2, 1, 5

    B) 1, 1, 1

    C) 1, -2, -1

    D) 1, 2, -1

    Correct Answer: D

    Solution :

    Put the value \[(x,\,y,\,z)\,=\,(1,\,2,\,-1),\] which satisfies the equation. Hence, (d) is correct.


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