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Bila 4 x − 7 3 x = 12 x 3 − 21 x 2 t maka t sama dengan ...

Bila $\frac{3 x}{4 x - 7} = \frac{t}{12 x ^{3} - 21 x ^{2}}$ maka t sama dengan ...

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N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

Nilai t nya adalah:

$fraction numerator 3 x over denominator 4 x space minus space 7 end fraction space equals space fraction numerator t over denominator 12 x cubed space minus space 21 x squared end fraction t space equals fraction numerator 3 x open parentheses 12 x cubed space minus space 21 x squared close parentheses over denominator 4 x space minus space 7 end fraction space space equals space fraction numerator begin display style 3 x left parenthesis 3 x squared left parenthesis 4 x space minus space 7 right parenthesis right parenthesis end style over denominator begin display style 4 x space minus space 7 end style end fraction space space equals space 3 x left parenthesis 3 x squared right parenthesis space space equals space 9 x cubed$