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7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

  • question_answer
    If x= - 1, y= 2 and z = - 3, then the value of the algebraic expression \[x{{y}^{3}}+y{{x}^{2}}-5xy{{z}^{3}}\]is _____

    A) 264  

    B) -276

    C) -260

    D) 276

    E) None of these

    Correct Answer: B

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