Matematika

Pertanyaan

jika 2log 16+3log 1/27=

2 Jawaban

  • Logaritma

    2 log 16 + 3 log 1/27
    = 2 log 2⁴ + 3 log 3⁻³
    = 4 . 2 log 2 + -3 . 3 log 3
    = 4 . 1 + -3 . 1
    = 4 + -3
    = 4 - 3
    = 1
  • 2^ log 16 + 3^ log 1/27
    = 2^ log 2^4 + 3^ log 3^-3
    = 4 x 2^ log 2 + (-3) x 3^ log 3
    = (4 x 1) + (-3 x 1)
    = 4 + (-3) = 1

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