Jawaban:
b – a
Penjelasan dengan langkah-langkah:
[tex] \begin{aligned} \frac{ {a}^{ - 1} b \: - \: a {b}^{ - 1} }{ {a}^{ - 1} \: + \: {b}^{ - 1} } &= \frac{ \cancel{{\color{fa0000}{ {a}^{ - 1} }}} b \: - \: a \cancel{{\color{fa0000}{ {b}^{ - 1} }}}}{ \cancel{{\color{fa0000}{ {a}^{ - 1} }}} \: + \: \cancel{{\color{fa0000}{ {b}^{ - 1} }}} } \\ &= b \: - \: a \end{aligned}[/tex]
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Verified answer
Jawaban:
b – a
Penjelasan dengan langkah-langkah:
[tex] \begin{aligned} \frac{ {a}^{ - 1} b \: - \: a {b}^{ - 1} }{ {a}^{ - 1} \: + \: {b}^{ - 1} } &= \frac{ \cancel{{\color{fa0000}{ {a}^{ - 1} }}} b \: - \: a \cancel{{\color{fa0000}{ {b}^{ - 1} }}}}{ \cancel{{\color{fa0000}{ {a}^{ - 1} }}} \: + \: \cancel{{\color{fa0000}{ {b}^{ - 1} }}} } \\ &= b \: - \: a \end{aligned}[/tex]