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7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

  • question_answer
    Find the value of \[12{{x}^{2}}+6x{{y}^{3}}z-8x{{y}^{2}}z+l0xy{{z}^{2}}\]where x = -I, y = 1 and z = -1.

    A) -4        

    B) 4

    C) -24    

    D) 24

    E) None of these

    Correct Answer: C

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