Nilai x dari persamaan berikut: logx=2loga+7logb−21logc adalah …

Pertanyaan

Nilai x dari persamaan berikut: $\log x=2\log a+7\log b-\frac12\log c$ adalah …

$fraction numerator a b over denominator square root of c end fraction$
$fraction numerator a squared b to the power of 5 over denominator square root of c end fraction$
$fraction numerator a cubed b to the power of 7 over denominator square root of c end fraction$
$fraction numerator a squared b to the power of 7 over denominator c end fraction$
$fraction numerator a squared b to the power of 7 over denominator square root of c end fraction$

F. Pratama

Master Teacher

Mahasiswa/Alumni Universitas Putra Indonesia YPTK Padang

Jawaban terverifikasi

Pembahasan

$log invisible function application x equals 2 log invisible function application a plus 7 log invisible function application b minus 1 half log invisible function application c log invisible function application x equals log invisible function application a squared plus log invisible function application b to the power of 7 minus log invisible function application c to the power of 1 half end exponent log invisible function application x equals log invisible function application open parentheses fraction numerator a squared b to the power of 7 over denominator c to the power of 1 half end exponent end fraction close parentheses x equals fraction numerator a squared b to the power of 7 over denominator square root of c end fraction$

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