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

  • question_answer Subtract the following: \[\mathbf{3}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{+ 13}{{\mathbf{y}}^{\mathbf{2}}}\] from \[\mathbf{3}{{\mathbf{x}}^{\mathbf{2}}}-\mathbf{5}{{\mathbf{y}}^{\mathbf{2}}}\] from \[\mathbf{3}{{\mathbf{x}}^{\mathbf{2}}}-\mathbf{5}{{\mathbf{y}}^{\mathbf{2}}}\]

    A) 18y2 

    B)  -18y2

    C)  \[8{{y}^{2}}+\text{ }6{{x}^{2}}\]

    D)  \[7{{x}^{2}}-8{{y}^{2}}\]

    E) None of these

    Correct Answer: B

    Solution :

    Not Available

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