Germany | Can you solve this? | Math Olympiad

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  • Опубликовано: 7 янв 2025

Комментарии • 3

  • @AlexanderSemashkevich
    @AlexanderSemashkevich День назад

    9^x(9²-1)=140
    9^x×80=140
    9^x=140/80=7/4
    x=(log7-log4)/log9=(log7-2log2)/2log3
    x≈(0.845-2×0.301)/(2×0.477)≈243/954≈27/106≈0.2547
    Deviation is about 0.000025
    9^(0.2547+2)-9^0.2547≈140.002

  • @BrijLalSahu-bb1lu
    @BrijLalSahu-bb1lu День назад +1

    🎉🎉 very nice @MAYHS TUTORIAL ( BL SAHU)