Roboguru

Nilai dari ....

Nilai dari log presuperscript 3 space 54 plus log presuperscript 3 space 2 minus log presuperscript 3 space 4 minus log presuperscript 3 space 9 equals....

  1. 1

  2. 2

  3. 3

  4. 5

  5. 6

Jawaban:

Gunakan sifat-sifat logaritma, yaitu :

log presuperscript a space straight a to the power of straight n equals straight n  log presuperscript straight a space straight b plus log presuperscript straight a space straight c equals log presuperscript straight a space bc  log presuperscript straight a space straight b minus log presuperscript straight a space straight c equals log presuperscript straight a straight b over straight c  log presuperscript 3 space 54 plus log presuperscript 3 space 2 minus log presuperscript 3 space 4 minus log presuperscript 3 space 9 equals log presuperscript 3 space fraction numerator 54.2 over denominator 9.4 end fraction equals log presuperscript 3 6 over 2 equals log presuperscript 3 space 3 equals 1 space left parenthesis straight A right parenthesis

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