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Логарифмдік теңсіздіктер

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  • 1. Multiple-choice
    2 minutes
    1 pt

    Логарифмдік теңсіздіктерді шешіңдер. log132х>2\log_{\frac{1}{3}}2х>-2  

    х>9х>9  

    2х<92х<9  

     (0;9)

    (0;4,5)\left(0;4,5\right)  

  • 2. Multiple-choice
    1.5 minutes
    1 pt

    log6(х+7)<2\log_6\left(х+7\right)<2  

    (7;36)

    (-7;6)

    (-7;29)

    (36;29)

  • 3. Multiple-choice
    1.5 minutes
    1 pt

    (4х1)log2х0\left(4х-1\right)\log_2х\ge0  

    х>0х>0  

    х14х\ge\frac{1}{4}  

    х1х\ge1  

    х2х\ge2  

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