Pertanyaan

Hasil dari pengurangan bentuk aljabar berikut adalah... 2 x + 1 x − 2 x − 1 x

Hasil dari pengurangan bentuk aljabar berikut adalah...

$\frac{x}{2 x + 1} - \frac{x}{2 x - 1}$

$fraction numerator 4 x over denominator 4 x squared minus 1 end fraction$
$fraction numerator 2 x over denominator 4 x squared minus 1 end fraction$
$fraction numerator negative x over denominator 4 x squared minus 1 end fraction$
$fraction numerator negative 2 x over denominator 4 x squared minus 1 end fraction$

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Habis dalam

Klaim

N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

$fraction numerator x over denominator 2 x plus 1 end fraction minus fraction numerator x over denominator 2 x minus 1 end fraction equals fraction numerator x open parentheses 2 x minus 1 close parentheses minus x open parentheses 2 x plus 1 close parentheses over denominator open parentheses 2 x plus 1 close parentheses open parentheses 2 x minus 1 close parentheses end fraction equals fraction numerator 2 x squared minus x minus 2 x squared minus x over denominator 2 x left parenthesis 2 x minus 1 right parenthesis plus left parenthesis 2 x minus 1 right parenthesis end fraction equals fraction numerator 2 x squared minus 2 x squared minus x minus x over denominator 4 x squared minus 2 x plus 2 x minus 1 end fraction equals fraction numerator negative 2 x over denominator 4 x squared minus 1 end fraction$