2. Sample Papers
  3. 8th Class
  4. Mathematics

8th Class Mathematics Sample Paper Mathematics Sample Paper-2

  • question_answer
    If \[a=\sqrt{2}+1\]and \[b=\sqrt{2}-1,\]then find the value of \[\frac{{{a}^{2}}+ab+{{b}^{2}}}{{{a}^{2}}-ab+{{b}^{2}}}\]

    A) \[\frac{2}{3}\] 

    B)        \[\frac{7}{5}\]

    C) \[2-3\sqrt{2}\]

    D) \[3-2\sqrt{2}\]

    E) None of these

    Correct Answer: B

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