7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions and Linear Equation

  • question_answer
    The simplified expression of the expression
       \[\mathbf{13}{{\mathbf{x}}^{\mathbf{3}}}-\text{ }\mathbf{12xy}{{\mathbf{z}}^{\mathbf{2}}}+\text{ }\mathbf{10}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{yz}\text{ }+\text{ }\mathbf{14xy}{{\mathbf{z}}^{\mathbf{2}}}+\text{ }\mathbf{13x}{{\mathbf{y}}^{\mathbf{2}}}\mathbf{z}\] \[+\text{ }{{\mathbf{y}}^{\mathbf{3}}}\] is __________.

    A)      \[13{{x}^{3}}+2xy{{z}^{2}}+23x{{y}^{2}}z+y3~\]

    B)  \[13{{x}^{3}}+2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3~}}\]

    C)  \[13{{x}^{3}}-2xy{{z}^{2}}+10{{x}^{2}}yz+13x{{y}^{2}}z+{{y}^{3}}~\]

    D)  \[13{{x}^{3}}-2xy{{z}^{2}}+23x{{y}^{2}}+{{y}^{3}}\]

    E)  None of these

    Correct Answer: B


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