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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-9

  • question_answer
    The value of \[\frac{1}{1+\sqrt{2}}+\frac{1}{\sqrt{2}+\sqrt{3}}+\frac{1}{\sqrt{3}+\sqrt{4}}+\]\[\frac{1}{\sqrt{4}+\sqrt{5}}+\frac{1}{\sqrt{5}+\sqrt{6}}+\frac{1}{\sqrt{6}+\sqrt{7}}+\frac{1}{\sqrt{7}+\sqrt{8}}+\frac{1}{\sqrt{8}+\sqrt{9}}\]is_____.

    A)  0                                

    B)  1

    C)  2        

    D)  \[-1\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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