11th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-12

  • question_answer If \[\frac{1}{\sqrt{b}+\sqrt{c}},\frac{1}{\sqrt{c}+\sqrt{a}},\frac{1}{\sqrt{a}+\sqrt{b}}\] are in A.P., then \[{{\pi }^{ax+1}},{{\pi }^{bx+1}},{{\pi }^{cx+1}},x\ne 0\]are in

    A)  G.P.           

    B)  G.P. only if x < 0

    C)  G.P. only if x > 0

    D)    None of these

    Correct Answer: A

    Solution :

    Not Available        

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