Matematika

Pertanyaan

5log81*3log32*5log81

1 Jawaban

  • 5log81 x 3log32 x 5log81
    =log81/log5 x log32/log3 x log81/log5
    =4xlog3/log5 x log 32/log 3 x 4xlog3/log5
    =4/log5 x log32 x 4xlog5/log3
    =(16xlog5xlog32)/(log5xlog3)
    =(16xlog(5+32))/(log(5+3))
    =(16xlog37)/(log8)
    =(16xlog37)/(3xlog2)
    =16/3 x (log(37-2))
    =16/3 x log35

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