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current location:Mathematical operation > History of Inequality Computation > Answer
    Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality log(x,x+1) >2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality:
         log( x , x + 1 ) >2         (1)
        From the definition field of log
         x > 0        (2 )
         x + 1 > 0 also ≠ 1        (3 )

    From inequality(1):
         1 < x < 1.618034
    From inequality(2):
         x > 0
    From inequality(3):
         -1 < x < 0 或  x > 0

    From inequalities (1) and (2)
         1 < x < 1.618034     (4)
    From inequalities (3) and (4)
         1 < x < 1.618034     (5)

    The final solution set is :

         1 < x < 1.618034




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