Matematika

Pertanyaan

Tolong bantu jawab beserta caranya
Tolong bantu jawab beserta caranya

1 Jawaban

  • a. 9 log27
    = 3² log 3³
    = (3/2) × ³log3
    = 3/2

    b. 4 log(1/32)
    = 2² log(1/2^5)
    = 2² log (2^-5)
    = (-5/2) × ²log2
    =-5/2

    c. 5 log(5√5)
    = 5 log 5^(3/2)
    = (3/2) × 5 log5
    = 3/2

    d. log 10  = 10 log 10 = 1

    e. 25 log625
    = 25 log25²
    =2 × 25 log25
    =2

    f. 16 log(1/64)
    = 4² log4³
    = (3/2) × 4 log4
    = 3/2

    g. ²log 8√2
    = ²log 2^(7/2)
    = (7/2) × ²log2
    =7/2

    h. 2√2 log 16
    = 2^(3/2) log 2^4
    = (8/3) × ²log2
    = 8/3