Matematika

Pertanyaan

Hasil dari (5 log 36- 5log 12) x 3log 125=

2 Jawaban

  • (⁵log 36 - ⁵log12) x ³log125
    = (⁵log(36/12)) x ³log125
    = ⁵log3 x ³log125
    = ⁵log125
    = ⁵log5³
    = 3. ⁵log5
    = 3
  • sifat logaritma

    alogb-alogc =alog(b/c)

    alogb x blogc = alogc

    =(5log36 - 5log12) x 3log 125

    =(5log(36/12)) x 3log125

    =5log3 x 3log125

    =5log125         

    =3          (nilai dari 5log125 = 3, karena 5^3 = 125)

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