Matematika

Pertanyaan

tolong dijawab kak plus caranya
tolong dijawab kak plus caranya

2 Jawaban

  • selaikan penyebut.
    (3log 18)^2 - (3log 2)^2
    = (3log 18 + 3log 2)(3lig 18 - 3log 2)
    = (3log 18×2)(3log 18/2)
    = ( 3log 36 ) ( 3log 9)
    = (3log 6^2)( 3log 3^2)
    = 2(3log 6)(2.3log 3)
    = 4(3log 6)
    pembilang
    3log √6
    = 3log 6^1/2
    = 1/2(3log6)
    Pembilang / penyebut
    = 1/2(3log 6) / 4(3log 6)
    = (1/2)/4
    = 1/8....(A)
  • Jawabannya:

    Nilai dari:
    3log√6/(3log18)²-(3log2)²
    = 3log√6/(3log18-3log2)(3log18+3log2)
    = 3log√6/(3log18/2)(3log18.2)
    = 3log√6/(3log9)(3log36)
    = 3log√6/3log3².3log6²
    = 3log√6/2. 3log6²
    = 3log6^½ /3log6^2.2
    = 3log6. 6log3
    = (1/2)/4
    = 1/8 → Opsi A

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